Sheets made of polyvinyl chloride PVC of different thicknesses and with a surface free of pores have aesthetic qualities. They can be used for decoration of furniture and masonry areas. Drawings or texts are printed in the vinyl.
Occupational aptitude tester that examines whether the subject can execute manual precision works at prescribed level.
Air tracks with low friction on which high-pressued air is pumped through a hollow track with fine holes all along the track that allows cars to glide relatively friction-free.
The Korean traditional 7-stringed wind instrument which can be divided into Jeong-ak Ajaeng and Sanjo Ajaeng with a 1300-1800 long and 370mm wide resonance board which is made of paulownia at the front and paulownia chestnut tree at the back, supported by 7 goose's foot-shaped frets. It is a low tone instrument with one octave range, and played by a bow.
Set of tools, components or pieces such as purifiers, manuterges, pallium, fabric, etc., to decorate or prepare altars.
A plucked string instrument of the lute family of the baroque era. It combines features of the lute, the harp, and the theorbo
A device used to demonstrate Archimedes' principle that states that any object immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by the object.
A type of experimental equipment that is used to experiment the characteristics and the operation principle of power generator and armature of motor by igniting the luminescent diode following the penetration of the bar magnet on the coil center.
A tool used to measure and evaluate assembling ability through execution of work training that is similar to the actual works within prescribed standards and time.
A game and parts consisting of a board measuring 450mm by 450mm, baduk stones, and containers for the stones. The game involves 2 persons holding either white or black stones. Each player in turn places his or her stones on the board which has 19 columns and rows. The player managing to win the largest number of points of crisscrossing of the columns and rows wins.
A Korean traditional percussion instrument consisting of 6 pieces of birch with a length of 350mm and width of 70mm, which are tied in one knot by the strap.It is played by spreading and folding wide like a hand-held folding pan.
A gas discharge tube with vapor filled inside. It can monitor Balmer series line spectrum in the field of visible ray domain of 1H.
Musical instrument similar to the guitar but smaller. It has 6 paired courses of strings. It is played with a plectrum.
A traditional Korean percussion instrument which is also known as Cheolhyang. It is composed of a 1800mm long, 1600mm wide iron frame and 16 pieces of iron which are suspended in the frame, and are hit and played by a Gaktoi, a small mallet whose head is made of an oxhorn.
This is a type of woodwind instrument.
A percussion instrument with regular scales, of which metal bars are placed in the order of scale, and played with a mallet.It is attached with the handle, which enables performance while marching.
An apparatus used to demonstrate Bernoulli's theorem that states that the sum of potential and kinetic energy is conserved.
A testing device in which the subject assembles or makes wooden block with various sizes and shapes in accordance with the drawing presented in the problem, and measures the spatial determination ability of the subject by measuring the time taken to assemble the required shape.
A traditional percussion instrument in Central & South America, consisting of a hollow wooden bowl with the diameter of 250mm and height of 200mm covered with animal skin. Two drums are played in pairs, and played by the hand.
An apparatus used to experiment Boyle's law that states that in constant temperature the pressure and volume of the gas is inversely proportional.
A disk-shaped percussion instrument that is made of bronze or brass, and is also referred to as tam tam. The size may be made differently to play different pitch of the sound.
A Korean traditional percussion instrument which is 320mm in diameter and 230mm in height in a shape of brazier made of clay in a way that it is fired.It is played by a bamboo stick with 9-strips at the end.
A statue that expresses the subject of worship in Buddhism. Includes the statue of bodhisattva, statue of heavenly kings, statue of wisdom king, and the statue of Arhan and others.
A traditional Korean percussion instrument whose diameter is 300~400mm and length is 250~300mm. Each side of the drum which is made of pine wood is covered by animal skins. It is usually played with drumsticks or by hands.
A Brazilian traditional percussion instrument made of maraca which is dried up and filled with pebbles, and composed of beads strung on the outer surface. The left hand presses the string of beads and the right hand twists the handle and plays.
The cajon or box is an idiophone percusion instrument of Peruvian origin and extended use in several musical areas like modern jazz, new flamenco and latin music. In Peru there are documented data regarding the existence of the cajon since the first half
A kit containing all the parts required to design and create custom made greetings cards
A device with constellation and ecliptic on celestial sphere in the form of terrestrial globe. It can explain circumnavigation of celestial globe, location of stars, changes in constellation according to seasons.
A device used to test the principle of operation of centrifugal pump by centrifugal force which is produced when liquid is revolved by an impeller.
Devices used to study the centripetal force when an object has a circulation movement.
Musical instrument of plucked strings or chordophone in full force in cultural areas influenced by the Quechua and Aymara people of South America. It has 10 strings organized in 5 double orders --Sol, Do, Mi, La, Mi. It has the shape of a small guitar approximately 60 cm long.
A Korean traditional percussion instrument.It is made by 400 to 600mm long, 300 to 450mm high wooden box with a hole on the center top.It is placed on the pedestal and played by the stick hitting on the center hole.
A musical instrument that is made with a pair of cylindrical wood stick of the length of 20 cm and thickness of 2.5cm and this percussion is widely used in Latin American music.
Instruments designed to detect or demonstrate the formation of clouds through the adiabatic change in the airtight spaces.
A experimental device which enables the observation of the path of radial rays in which the air is infused into the chamber and expanded adiabatically, then water vapor is made. When the light is radiated, the radiation can be detected in path.
A traditional name of a coin container normally used by children. Often used by companies for promotional purposes. The use of the name 'piggy bank' gave rise to its widely recognized 'pig' shape, and many financial service companies use piggy banks as logos for their savings products. Piggy banks are generally painted and serve as a pedagogical device to teach the rudiments of thrift and savings to children.
A traditional Cuban percussion instrument with a diameter of 300mm, made of a hollow wooden bowl with its top covered by animal skin. It is played by both the hand and sticks.
A woodwind instrument that has pitch range that is one octave lower than that of bassoon. It has length of approximately 1,500mm with 4 units of connected wooden pipes that are folded in parallel.
Apparatuses used to experiment the Corioli force which is virtual energy and appears from the spinning thing
Equipment to experiment the Coulomb's Law that force acting between 2 small electrified bodies is proportional to 2-times the quantity of electric charges, and reversely proportional to the square of distance between these 2 bodies.
A discharge tube with level of vacuum of less than 0.1mmHg of pressure, and is also referred to as vacuum discharge tube.
A traditional Korean wind instrument which can be divided into Jeong-ak Daegeum and Sanjo Daegeum. It is 800mm long and 20mm wide, and has 6 hole and 2 octave ranges.
A Korean traditional string instrument which is made up of a resonance board of 1700mm long and 200~300mm wide made of paulownia wood. It has 15 silk-woven thread strings. Each string is supported by a goose leg-shaped fret. The left hand presses down on the fret and the right hand plays Daejaeng. The sound is low and magnificent.
A Korean traditional string instrument which is also called Gokkyeongbipa. Its resonance board is made of hazel wood or mulberry and is 1000mm long by 300~400mm wide. Its strings are comprised of 4 silk-woven threads. It is played with a 'Bal', an ax-shaped wooden stick, or a finger covered with a thimble.
A traditional Korean woodwind instrument which is 400~450mm long and 20mm thick. It is made of bamboo and blown crosswise. There are 6 finger holes. It has two octaves and the sound is clear and bright.
A traditional Korean woodwind instrument which is 200~400mm long and 12mm thick. It is blown lengthwise. It is made of old bamboo, and played with several layers of bamboo. There are 8 finger holes. It has more than one and a half octaves.
A traditional Korean wind instrument which is 390mm long and 20mm wide with 5 holes. It is made of old bamboo, and has 2 octave ranges. Its sound is clean and clear, so it is suitable for recital.
Artistic expression using fruit as subject. For example, pumpkin as engraving matte.
A device that is used to attach at the tip of the ebonite handle by bending the metal bar and it is used in the discharge experiment of different electrified bodies.
Devices used to study an arrangement of electrodes in a gas within an insulating, temperature-resistant envelope. They are used for experiments of electric discharge including glow discharge, corona discharge and arc discharge and gas spectrum.
A tool used to measure and evaluate discrimination through execution of work training that is similar to the actual works within prescribed standards and time.
It is percussion instrument used in several places of Spanish America and in some of them, when used as such it is known as charrasca, cacharaina, charaina, carretilla or kahuaha
A specially designed stick, usually made out of quality wood, used for hitting drums.
A Christian symbol representing the teachings and sacrifice of Jesus of Nazareth.
A device for measuring and experimenting same potential points in the electromagnetic fields. It is used to experiment equipotential in which the current is sent to the conductor line making the direction of electromagnetic fields, and to experiment the differences of equipotential among the fields caused by electrodes.
A device which enables an instrument to be accurately tuned using a visual display.
A device for observing the shadow using the light, distance and direction. It can also be used to observe the size, brightness and location of an object by moving the source of the light, object and the screen.
Embossed card is a type of thick paper or card with an embossed finish which is used in arts and crafts applications.
A Korean traditional percussion instrument whose shape is a crouched tiger. It is made of wood with embellished by a 27 sawtoothed back. It is played with a bamboo stick whose head is 9-forked.
A traditional Korean percussion instrument, which is also called Eungbi. It is made of 400~450mm across, 600~650mm long pine structure covered by cowhide. It is played using a stick.
It has structure of reduced tuba, and made of conical bore and bell with wide width, and has 3 or 4 valves.
A measurement device for psychological and aptitude test that measures the coordination action of eyes and both arms.
Equipment that is used to experiment the Law of Electronic Induction of M. Faraday, which induces the voltage with the magnetic field within the coil changed by moving the magnet in the coil wrapped with the conducting wire.
Equipment that is used to experiment the J.A. Flemings Rule, which is to display the relationship with the direction of the magnetic field and the force working on the conducting wire flowing of the current placed within magnetic field.
Fluorescent card is a type of thick paper or card with a fluorescent finish which is used in arts and crafts applications.
Equipment that is used to experiment the principle of fluorescent light discharged with light which is obtained by applying the fluorescent material on the interior wall of the discharge tube that radiates the ultraviolet ray.
Equipment used in measuring the distance to the center and focal point of lens or spherical mirror by moving the distance movement equipment (career) to which lens is attached to its optical bench.
A testing device for work aptitude of subject by measuring the speed of form perception of various model within prescribe time with model devices with various forms through perception ability of fingers, etc.
An experimental apparatus used to demonstrate the existence of the energy level through the drop of the electron in the atom by colliding the electron with the atom.
A traditional Korean percussion instrument. Two hollow paulownia tubes which are 450-600mm in diameter are connected with each other, and each side is covered by horse skin. The sound tone is controlled by loops on the ropes. It is played by sticks on both hands.
One of Korean traditional zither-type musical instruments. There are two types: Jeong-ak Gayageum and Sanjo Gayageum. It is made up of 12 silk thread-woven strings placed on the 1500 mm long and 300 mm wide wooden resonance board made out of paulownia or chestnut trees supported by 12 gooses's foot-shaped frets. It is played with the fingers and has 2.5 octave ranges.
One of Korean traditional musical instruments. There are two kinds: Jeong-ak Geomungo and Sanjo Geomungo. It is 1500mm long and 200mm wide and made up of 6 silk-thread woven strings placed on the wooden resonance board made of paulownia or chestnut tress. It is played by a plectrum, and has 3 octave ranges.
A traditional Korean percussion instrument. It consists of 500-1000mm (in diameter) pine resonance boards, covered on each side with cowhides, and played by drumsticks. It is used for ceremony or rituals at the Court, and is splendidly decorated.
A traditional Korean stringed instrument which also called a Chilhyeongeum or Hwigeum. It is made up of a resonance board 900~1200mm long, 1500~2000mm wide made of paulownia tree or chestnut tree. It has 13 white pearls, 'Whi,' inlaid on the front board to make left hand fingering easier. Each of the 7 silk thread strings is placed on goose foot-shaped frets or Gwae on the board.
A percussion instrument with a regular musical scale.It is made up of metal bars which vary in size and tone.It is hit and played by a mallet.It covers three octaves.
A device used to experiment the universal gravitational constant and the principle of gravitation force that states that the force is directly proportional to the product of the two masses and inversely proportional to the square of the distance between the point masses.
A Latin American percussion instrument comprised of a gourd, or an oak, or an oxhorn which is notched in a parallel line along the body, and played with a wooden stick or a wire brush to produce sound.
A traditional Korean percussion instrument with a diameter of 600~900mm. Its resonance board is made of pine wood and covered by cowhide on each side. it is supported by 4 post frames and played with sticks.
A traditional Korean string instrument whose resonance board is made of 600~700mm long, 90~100mm wide bamboo or paulownia wood. Its 2 strings are made of silk-woven threads and played with a horsehair string stick. Its sound tone is not settled, but depends on the place the hand is put on and the degree of strength of the stick.
Equipment that is used to experiment the phenomenon in generating the displacement difference between the place with the electric charge and place without the electric charge due to the skewing of electric charge in one side.
One of protecting deities made of rock of Jeju Island and made of basalt. It literally means a grandfather made of rock.
Devices to study heat conduction from high to low degree without the movement of an object.
Holographic card is a type of thick paper or card with a holographic finish which is used in arts and crafts applications.
Recording of interference fringe pattern of light with 2 channels induced from a single 1-color light source onto dry photosensitized plate is referred to as Hologram, and the photographic technique of reproducing this image is referred to as Holography. This is equipment that tests such holography.
A statue portraying Jesus of Nazareth and his mother, Mary.
An apparatus used to demonstrate Hooke's law that states that the extension of a spring is in direct proportion with the load added to it as long as this load does not exceed the elastic limit.
A device that produces sound of walking and running of horse hoof by using human hands. It should be referred to as an acoustics device that produces sound effect rather than as a percussion instrument.
A Korean traditional wind instrument with the diameter of 100 to 110mm made of clay.A player blows on the top hole.It has 5 holes and has one and a half octaves.
A traditional Korean string instrument which is also called Jikgyeongbipa. Its zither-shaped resonance board is made of 900~1000mm long, 300~350mm wide paulownia wood or chestnut. In general, its 5 strings are made of silk-woven threads. It is played by a plectrum or finger along with the left hand pressing the strings down on the fret.
A traditional Korean woodwind instrument which is 250~300mm long and 10mm thick. It is blown lengthwise. It is made of bamboo, and played with a mouthpiece. There are 8 finger holes. It has two and a half octaves.
Tableware with diameter of approximately 200~300mm and height of 300~400mm used to burn incense, and is made of tin and brass, etc.
A device used to experiment the inertia moment which refers to the measure of an object's resistance to changes in its rotation.
A triangular metal percussion instrument measuring 100mm to 150mm in length on one side. It is hung on a ring or a string, and is played with a stick, thus producing clean and refined sounds.
A collectible figuerine toy from and compatible with one or more video games. Such figuerines are usable in Toys-to-life games which generally use a third-person camera view, and have in-game power-up figurines. Toys-to-life games generally have an accompanying portal device that is used to "transport" the figurine's character and associated player data into the game. The figurines can be transferred from each game in the franchise, possibly resetting with every different installment.
A traditional Korean percussion instrument, which is also called Bara, Bahl and Jaegeum. It is a 250~450mm across, plate-shaped instrument made from brass. It is played by crashing one into another.
A game with parts consisting of a Janggi board measuring 400mm by 400mm along with Janggi stones, and their containers. It is played by two persons competing against each other in taking the red or blue color to make the move as appropriate in alternative for attacking.
A traditonal Korean percussion instrument which can be divided into Jeong-ak Janggu, Musok-Janggu, and Poongmul-Janggu. It is composed of a paulownia wood linked together, and each end of the wooden trunk was covered by cowhide which is fastened by 450mm long metal hoops. Its sound is controlled by leather loops, and made by using a drumstick.
A traditional Korean woodwind instrument which is 500mm and 20mm thick. It is made of bamboo and blown lengthwise. There are 8 finger holes including 2 extra holes. It has one octave and 4 tones.
A traditional Korean percussion instrument. It is made of a 450~550mm across, 400~500mm long pine wood barrel covered by cowhide. It is placed on a 'Bangdae', or square stand, and supported by a wooden bar in one corner and played using a stick.
A traditional Korean woodwind instrument which is 300~500mm long and 20-25mm thick. It is blown crosswide. It is made of bamboo, and has 5 finger holes. It has one octave and five tones. Its sound is soft and smooth.
A traditional Korean percussion instrument which is also called Geum or Geumjing with 380-400mm long in diameter, round brass basin-shaped without an extended rim. It is played by a drumstick wrapped in cloth. It makes a magnificent and soft sound, so it is used for Chuita,Buddhist music, Jongmyo-jeryeak, folk music, shamanist music, nong-ak (farm music), etc.
A traditional Korean percussion instrument which is made up of a 900~1000mm across, 1500mm long pine wood barrel with each side covered by cowhide. It is placed on a square stand and played with a mallet. It is the biggest of Korean drums.
A traditional Korean woodwind instrument which is 600~700mm long and 30mm thick. It is blown crosswise. It is made of old bamboo, and has 6 finger holes.
A Korean traditional percussion instrument with a drum of 550 to 750mm in diameter and 700mm in length covered by the cow hide. The drum is placed on the wooden frame and played by the drum stick.
A traditional Korean percussion instrument, which is made up of a 800~900mm across, 210mm long pine wood barrel with each side covered by cowhide. It is suspended on a wooden frame, and played using a stick.
A fluid percussion instrument that bounces several long and narrow metal plates (keyboards). Several metal keys with different pitches are mainly arranged in the letter'V' and make a sound by flicking the keys. The trunk is most common in the form of a wooden box or wooden board with a length of about 17 to 18.5 cm and a width of about 11 to 13.5 cm.
A traditional Korean percussion instrument which is a 200-220mm long, small basin-shaped brass instrument with a handle or strap hung on it to grab. It is played by a wooden mallet, and produces a clear and high-tone sound.
Consumables used in Korean traditional music performances or samulnori, such as buoys, nerbs, and strings for water games.
An apparatus for experiment in which a bar is vibrated vertically and its wave length is measured through resonance in the glass tube with a view to measuring the velocity of sound in the solid, liquid and air.
Leathercloth-derived paper used for artistic and crafting purposes.
A condenser made with an insulated glass bottle with tin foil inside and outside of the glass. It stores static electricity and is used for the discharge experiment.
An experimental device used to test the expansion of liquid by temperature. It can calculate the coefficient of liquid expansion by measuring the liquid volume which expands as the temperature increase.
Devices used to pull apart two hemispheres after attaching two hemisphere and make them vacuumized. The devices can demonstrate the existence of air pressure.
A manual-type of astronomical study material that enables the accurate observation of location and diurnal motion of stars.
An idiophone made by the shell of a maraca which is hollowed out and filled with dried seeds, and attached by a grip in each instrument.
A percussion instrument that is played by striking with a hammer for 18 metallic hanging pipes tuned with the chromatic scale.
An African traditional percussion instrument consisting of tuned wooden sound bars which are hit and played by sticks.It can cover 6 and a half octaves supportedby the resonance pipes.
Material to help educate people about good hygiene practices, methods for disinfecting water, and caring for family members who may be at risk of contracting disease. They are designed for all audiences and the graphics have been made regionally specific.
A small keyboard instrument that creates sound by blowing wind and pressing keyboard. It has about 20~40 keys on the keyboard. One can hold the instrument in both hands to play by blowing air into the instrument or place it on the floor and blow air into the instrument by using long pipe connected to the instrument.
A keyed instrument that produces sounds by vibrating its reed. Its sound is made by using keyboards and a mouthpiece connected by a hose.
A device used to measure the time taken to choose the same by making determination after having seen the presented character or symbol or until the subject presses the button indicated with the same character.
Metallic card is a type of thick paper or card with a metallic finish, either on one or both sides, and is used in arts and crafts applications.
Instruments used to calculate the quantity of electric charge using the gravity and electric power that influences the electron, which was designed by Robert Milikan
A model of mineral under the ground with same shape and size for educational or exhibition purposes.
Devices used to monitor and records the location, the altitude and the formation change of the moon.
A mongolian national bowed string musical instrument.
A traditional Korean percussion instrument consisting of a drum made of pine tree with a diameter of 900mm, and length of 600mm covered by the cow hide, a wooden support and a stick. The drum is put on the wooden support and played by 4 to 8 performers hitting and dancing.
A type of bag pipe, which was highly popular in the 17th and 18th centuries, and has the two cylinder-type chanter and 4 to 5 tied-up drone and they are operated by arm.
A hard case or padded carry bag used for protecting a musical instrument during transportation.Not offering the same protection as a flightcase, but more transportable and lighter
A device which can be either rackmounted, or a foot pedal or stomp box that alters the sound of an electronic instrument such as a guitar, keyboard.The device sits between the instrument and an amplifier or mixer.
A support stand that supports a musical instrument when not being played
A strap or harness that supports an instrument when being played, usually when standing up.Examples are guitar straps, saxaphone straps, drum harness etc.
A type of idiophone which produces sound by shaking.It consists of two small barrels with millet or sand inside.It is played by shaking them, thus producing sound.
A traditional Korean brass instrument which is 1100~1200mm long, 100~200mm thick. It is made from brass, and blown lengthwise.
A traditional Korean wind instrument.It is 360mm long and 540mm wide, made of a turnban shell.It varies in tone according to its size.
An experimental device in which steel wire is dually arranged in V shape with steel ball attached to its end. It is used to verify the Law of conservation of momentum and static inertia, etc.
Devices used to demonstrate the phenomena of Newton's ring, the interference phenomena of the light between two thin films.
A Korean traditional percussion instrument with two drums of 50mm in diameter and 310mm in length crossed with each other and place on the top of a long wooden pole.It is played in a way that a player leans the pole on one side and turns it from side to side, making the leather straps hit on both sides of the drum and producing sound.
A Korean traditional percussion instrument with three drums 170mm in diameter and 300mm in length crossed with each other and placed on the top of a long wooden pole.It is played in a way that a player leans the pole on one side and turns it from side to side, making the leather straps hit on both sides of the drum and producing sound.
A Korean traditional percussion instrument with250 to 300mm across, 400mm long, 6 conic drums which are tied in one rope from the top of outer frame.A player performs hitting one of drums.
A Korean traditional instrument which is 400mm in diameter and 950mm in length.It is composed of two wooden drums placed crossed with each other and played by the drum stick.
Non-cotton stems used for art and craft projects
A device used to experiment Ohm's law that states that the current through a conductor between two points is directly proportional to the potential difference, and inversely proportional to the resistance between them.
A device that is composed of 2 parabolic mirrors at the upper and lower parts. The ceiling part of the upper parabolic mirror is open that the device may observe the phases of object for observations through this part.
A tool used to measure and evaluate packing ability through execution of work training that is similar to the actual works within prescribed standards and time.
A type of wind instrument made up of multiple hollow tubes of different lengths. Flute-like sounds are produced by blowing. There are different types such as Zanka, Malta, chulis, among others.
White colored clay made by mixing paper, lime, rock powder and softener, and is used as teaching material for young children or in daily life crafts instead of natural clay.
A device used to demonstrate Pascal's principle that states that the pressure of an enclosed incompressible fluid is conveyed undiminished to every part of the fluid and to the surfaces of its container.
A device which can demonstrate the photo electric effect and the Planck constant by using the photo electric tube. It can identify the wave length of the light, and it consists of a photo electric tube, the amperemeter, the light source, and the current amplifier.
A device used to test the photoelectric effect through the process when electrons are emitted from the surface of matter via the photoelectric effect from phototubes, the current that emits from the opposite side is measured.
Educational material used to teach physics
A device used to measure the Plank constant, the proportionality constant between energy of a photon and the frequency of its associated electromagnetic wave.
Devices used to observe the celestial movements by making pin hole on the globe in shape of stars according to the stellar magnitude, and projecting the light through the hole, thus showing the constellation onto the dome-style screen.
An astronomy model in which models of earth and moon are arranged with the sun in the center, and can explain phenomenon of rotation of earth on its axis and around the sun, day and night, solar eclipse and lunar eclipse, and changes in seasons.
A type of game of chance played using a large vertical wheel that can be spun.
Refers to works of art in any media that have been planned and executed with the specific intention of being sited or staged in the physical public domain, usually outside and accessible to all.
A traditional Korean percussion instrument which is made up of a 2900~3000mm wide, 2300~2500mm high wooden frame and 16 shaped Seokgyeon, or stone bells which are suspended in the frame. They are hit and played with a Gaktoi, an oxhorn-headed mallet. Its sound range is one octave and 4 tones, and is very clear. It is used to tune up other Korean instruments.
A traditional Korean percussion instrument which is composed of a 2500~3000mm wide, 2400~2500mm high wooden frame and 16 bells suspended in the frame in two lines. They are played with a Gaktoi, or oxhorn-headed mallet. Its sound differs according to the strength with which the bells are hit. Its sound range is one octave and 4 tones, and its sound is magnificent and sharp.
A wind instrument with a beveled edge used by the Quechua and Aymara inhabitants of the Central Andes of South America. It is made of ceramic and bones of animals and humans.
An instrument of Quechua or Aymara origin. It belongs to the family of quenas, but its length is greater; therefore its registry is deeper. It is a hollow wand fabricated commonly with bamboo, but also with PVC, bones, mud, among others.
Also known as waterstick, it is a long and hollow tube filled with small rocks and seeds; internally, there are little wands of bamboo or wood driven into making a spiral which extends through the entire length. When the tube is inclined softly the seeds drop and the tapping with the little wands produces a sound similar to the falling rain or water.
A small metal sphere with a small opening in which there is another one of smaller size. This sphere has a hole that allows resonance. The sound is produced by the clash between the two spheres, external and internal. It generally has a treble sound.
A musical percussion instrument of the idiophone family that has a body or board to which mobile gavels are attached and that are in charge of beating the body, according to the type of rattle it can have three, two or just one gavel, it also has a handle
A device used in testing the reaction movement of prescribed behavior that each individual is equipped with by repetitively or selectively measuring the speed of determination and action of individual.
A woodwind instrument that has the structure of the inner tube becoming narrower as it goes lower part, and is made of wood or plastic. For the large recorder, the key or damper is sometimes used.
It is used in measurement of acceleration and deceleration of moving objects, and records in dotting format by oscillating at uniform speed.
Equipment that can perform experiments on principle of refrigeration, refrigeration cycle, understanding of Morier diagram, verification of flow and changes in status of refrigerant, leakage test for refrigeration drainage section, operation of refrigeration, and causes for and measures against defectiveness.
An apparatus used to measure Reynolds number, the flow regime such as turbulent flow and laminar flow when the object is placed on the fluid or when the fluid flows in the pipe.
A device used to experiment general features of water wave, such as reflection, refraction, diffraction, interference and phased array.
A Bolivian musical instrument from the charango family. It is formed by five double strings. This instrument is characterized by its hoarse sound, that is why it has that name. It was developed by Wilson Hermosa, brother of Gonzalo and Hemmer Hermosa, me
A device that is used to observe the air current changes in the atmosphere. This is the electric motor type rotating table for multi-purpose experiments for the centrifugal force and deflecting force experiments.
Equipment that is used to experiment the rotating magnetic field that seems to make the rotation of magnetic field changing in time.
A Korean traditional wind instrument with the length of 600mm consisting of 17 to 24 bamboo pipes around the wood board. The reeds are put in under the bamboo pipes with a hole, and blown and played by the mouth.It has 2 octaves in range.
A Korean traditional percussion instrument which is also called Sakbi. Its resonance drum which is 400-450mm in diameter and 800-900mm long is made of pine wood covered by cowhide. It is suspended within a wooden frame and played by a mallet.
A musical instrument that has several pipes bent in parallel and it has large holes on the instrument and the cap to cover it. This is the brass instrument used the double reed that is frequently used in military marching band.
Set of school supplies of different types for students
A traditional Korean woodwind instrument which is 250~350mm long and 10mm thick. It is blown lengthwise. It is made of bamboo, and played with several layers of bamboos. There are 7 finger holes. It has one octave.
A traditional string instrument with a resonance board 1800mm long and 320mm wide. It is made of paulownia wood or thorny ash. It has 25 silk-woven thread strings supported by goose leg-shaped frets. Its sound range is 2 octaves.
A Mongolian string musical instrument.
A device used to experiment the simple harmonic motion, the most basic motion. This motion can be detected by uniform motion and constant motion under the central axis.
A sound effects musical instrument that makes the siren sound as it is also referred to as the horn that blows with the mouth for pitch to make different keys for adjusting the sound pitches.
A traditional Korean woodwind instrument comprised of 16 thin pipes made of bamboo and mounted on top of the instrument. One side of the pipes is sealed and the other side is blown and played. It has one octave and 4 tones.
A traditional Korean woodwind instrument which is 400mm long and 20-30mm thick. It is blown crosswise. It is made of bamboo. There are 6 finger holes. It has two and a half octaves and has the highest tone of Korean wind instruments.
A Korean traditional percussion instrument, which is also called Beokgu and Maegubuk. It composed of a circular, wooden resonance board which is 170~210mm across and 15~20mm thick, with a handle covered by cowhide or dog skin put on the side of the resonance board. It is played with a small stick to hit the side or the center of the board. Its performance style is not focused on the sound, but rather on the way it is played.
A traditional Korean string instrument with a length of 900mm and width of 450mm made of willow tree and zelkova tree.It is composed of 13 silk-thread strings and played by fingers.
A device used to show the accumulation of the soil. It can show the change of the sedimentation velocity by the particle size.
Pseudo sun light systems designed to simulate the solar energy by creating light intensity, spectrum and parallelism by replicating the sun.
A testing device for presence of work aptitude by having the subjects to predict the speed by continuously arranging lamp on runway with specified distance and by adjusting the speed of light.
Toys for infants designed to function or operate in strollers or car seats.
A Korean traditional string instrument which is 900 to 1000mm long, 400 to 450mm wide consisting of resonance board made of willow tree and zelkova tree.21 silk-thread strings are set on the board, and played by fingers.
Devices used to identify the solar altitude and seasonal chances through detecting the solar movement. It consists of dumb compass and the transparent hemisphere.
An electronic instrument that synthesizes various signals of different frequencies. It is generally used in conjunction with a computer.
Tableware used in religious rituals including sacrificial rites, and is manufactured with tree and brass.
A traditional Korean wind instrument which is also called Hojeok, Saenap, Nalari. It consists of Buri (a bill) with a reed inserted, Bonchae (a body), and Nabal, and is played by reed movement. Its total length is 350mm whose buldge is 100mm in diameter. Its body is made of an apricot tree, a citron tree, and a jujube tree. It has 8 holes and 2 octave ranges.
Devices to experiment Young's modulus, the ratio of extension and transformation of an object when it is extended under tension.
Auxiliary material for earth science-related education in order for user to recognize earth as a globe by expressing the status of earth surface without modification in mutual spatial relationship, and to understand location and relation of each location on the globe, as well as movement of earth and relationship between day and night and seasons.
A traditional Korean percussion instrument which is composed of a 1100mm wide, 2000mm high wooden frame and a 500mm long bell which is suspended in the frame. It is hit and played with a mallet.
A traditional Korean percussion instrument, which is also called Gagyeong. One piece of iron is suspended in the 1100mm wide, 2000mm high wooden frame. It is played with a Gaktoi, an oxhorn-headed mallet. Its sound is clean and clear.
Devices used to demonstrate convection, an indirect transmission of the heat and radiation, and direct transmission of the heat.
An apparatus experimenting seebeck effect, a phenomenon in which a temperature difference between two dissimilar electrical conductors or semiconductors produces a voltage difference between the two substances and Peltier effect, the inversed effect to Seebeck effect.
A rhythmic percussion instrument used in playing Latin music. It is composed of 2 drums made of metal with diameter of approximately 300~350mm placed on stand, 2 bells tuned at the interval of 4 degrees and 1 cymbals, and is played by hitting with drumstick.
It is composed of a hemispheric copper bowl with the diameter of 560 to 800mm which is covered with cowhide or other synthetic leather.It is generally played in pairs by mallets.Its tone can be adjusted by the tension of leather by tightening and loosening tension rods.
An aboriginal percussion instrument from the andean zone of South America. It is made up of very fine raw leathers causing a vibrating and sharp sound. It is also known as wankara or Wankar.
A percussion instrument that produces sound by hitting with drumstick with dimensions of diameter of 300mm and height of 250mm, and is used often in playing jazz music. It is often used in conjunction with other drums or cymbals rather than alone.
A percussion musical instrument mounted in a steel rig mounted on a drum.
A¡¡traditional Korean wind instrument which can be divided into Jeong-ak Toongso and Minsok Toongso. It is made of a 500-550mm long old bamboo with a hole on it. It has 2.5 octave ranges.
Equipment that is designed to experiment the Law of E. Torricelli on the velocity released by the inner liquid from the small hole in the wall of the vessel in the event that the viscosity of liquid is small and the influence is neglected.
Devices used to monitor and measure the moment operating at the same time including gravitation forces and repulsive forces by measuring torsion angles of the thin fiber.
Game using a target and item to toss at or into the target.
Add-on items to enhance the simple balloon
A device used to experiment the principle of a transformer that changes current and voltage using electromagnetic induction.
This is a brass musical instrument.
A musical instrument that undertakes the bass part among the brass instruments that has deep inside for mouth piece with the rate of large cone and it has the most frequent use of instruments in Key C and Key Bb.
A device that is used to measure the motion coordination level of tested person among parts of body including eyes and hand, and between both hands, and it is the equipment that tests joint action of muscle and nervous system.
A small stringed instrument of the lute family. It consists of 4 strings which are made from gut or nylon tied on a wooden resonance board. It has a narrow pitch, so it is generally played to accompany a song rather than play the melody itself.
A traditional Korean percussion instrument which is composed of 10 Jings of 100mm in diameter. It is played with a wooden mallet.
A device used to know the principle and operation of the venturi tube which is used to measure the flow velocity and its pressure.
Percussion instrument consisting of a hard wire piece, folded with a handle's shape, connecting the wood ball with a wood block that has metal 'teeth' inside. When the percussionist holds the handle with one hand and beats the ball, generally against the
A bowed string instrument in the violin family with a lower pitch than a violin. It is made up of a wooden resonance board with 4 strings made of gut or steel. It is mainly played in ensembles.
A gaming device that allows people to have a realistic experience in a virtual world based on computer graphics
A device used to measure specific occupation that is appropriate for the ability and interest of the subject by analyzing the test data with computer program after having measured abilities and interests related to occupation.
A traditional string instrument which is also called a Bongsugonghu. It is made up of a 900mm long, 700~900mm wide resonance board made of Chinese quince wood or zelkova. Its 13 strings are usually made of silk-woven threads and are tied diagonally to the board. It is played by the finger.
Artwork hung on a wall.
A device used to experiment phenomena, such as interference, diffraction, dispersion and polarization of the light caused by undulation.
Devices which reproduce a few types of atmospheric phenomena including the cloud movement, the change of atmospheric pressure and the path of the typhoon which are invisible to the naked eye.
A traditional Korean string instrument with the length of 1000 to 1200mm and width of 350 to 400mm, consisting of a resonance board,hollow body, made of paulownia tree with long thin wooden neck attached on the body and 13 frets set on it.4 strings are set lengthwise on the board and played.
A musical percussion instrument of the idiophone family. In an orchestra the woodbox is an instrument grouped within the sub-group of small percussion. Commonly, it is a rectangular holed wood plug, similar to an ingot, it consists of a small block of har
A device that is used to pound and make sound for chanting sutra or gathering people. Wood is made like a bell by carving it in round shape with its center carved out in a way of attaching the handle in ring-shape.
A traditional Korean woodwind instrument which is 400-550mm long and 20-40mm thick. It is blown lengthwise and made of bamboo. There are 3 finger holes. It has one octave.
A Korean traditional string instrument with the length of 1000 to 1100mm and width of 300 to 330mm. It is made up of wood board with 14 steel strings on the front side, and played by the bamboo stick.
A string musical instrument. Traditionally used in Mongolia with a wodden box and strings that are plucked
A Korean traditional percussion instrument with 4 drums of 150mm in diameter and 270mm in length crossed with each other and place on the top of a long wooden pole.It is played in a way that a player leans the pole on one side and turns it from side to side, making the leather straps hit on both sides of the drum and producing sound.
A Korean traditional percussion instrument composed of 8 conic drums with diameter of 250mm and length of 450mm respectively which are suspended with one rope in the outer frame.It is played by a stick.
A mongolian string musical instrument.
A Korean traditional percussion instrument which is made up of a 400~600mm across, 210~250mm long wooden resonance drum covered by cowhide. Two sides of the drum are suspended on a man's shoulder by iron hooks and played with the wood stick.
A type of game supplies to play the game of yut that includes wooden sticks with length of approximately 200mm used as game tool for playing yut. Playing yut is a traditional folk game of Korea in which each team moves their running pieces by throwing 4 pieces of wooden sticks whose cross-section is in the shape of the half moon.
A device used to experiment Zeeman effect, the splitting of a spectral line into several components in the presence of a static magnetic field caused by the electric spin.
A plucked string instrument. It uses compressive strings along a large neck and a hollow resonance gourd to produce a sound rich to the ear with a complex harmonic resonance. It is mainly used in the classic Hindustani, the zither was ubiquitous in Hindus