Plastic test tube rack 6-hole 8-hole 19-hole multifunctional test tube rack junior high school chemistry experiment instrument teaching aid 0.00 sold.21,160 so'm
24017 left and right hand rule Demonstrator research magnetic field to current left and right experimental device primary high physical instrument 0.020 sold.61,127 so'm
Centripetal force tester 21074 manual pointer type physical experiment mechanics teaching instrument 0.095 sold.169,275 so'm
Primary Mathematics Cylinder Volume Surface Area Demonstrator Cylindrical Cone Volume Ratio Small Mathematics Teaching Instrument 0.00 sold.30,564 so'm
30406010101 large number carry model decimal mathematics new curriculum standard teaching experiment instrument 0.00 sold.155,168 so'm
Geometric model (6-piece set, 8-piece set) combined geometric model for mathematics teaching demonstration 0.00 sold.84,638 so'm
30406007101 long cube frame Model Primary School mathematics teaching new curriculum standard applicable teaching instrument 0.00 sold.37,617 so'm
21021 pressure pressure demonstrator Junior High School physical mechanics experimental instrument 0.00 sold.17,868 so'm
Light Refraction Total Reflection Experimental Demonstrator Diffuse Reflection Experimental Initial Senior high school Optical Experimental Instrument Battery Box 0.086 sold.117,552 so'm
03011 plastic iron butterfly clip Burette clamp fixing clip burette table accessories experimental equipment teaching instrument 0.020 sold.25,862 so'm
22224 lid lusack's law demonstrator gas same thermal expansion coefficient physical experimental instrument 0.02 sold.385,569 so'm
Oster experiment demonstrator physics teaching instrument for junior and senior high schools verifies that there is a magnetic field around the electrified conductor 0.05 sold.258,614 so'm
Parallelogram rule demonstrator of force synthesis tester of physical verification and verification force in Middle School 0.00 sold.282,124 so'm
Cuboid Cube Frame Model Surface Area Volume Edge Length Demonstrator Set Removable Development Figure Primary School 0.0177 sold.23,511 so'm
Primary school science circuit cassette black box junction box electromagnetic teaching instrument electrical components black box yongchuang teaching instrument 0.00 sold.31,034 so'm
Miniature solution conductive tester pen J26011 junior high school chemistry experiment equipment Middle School teaching instrument 0.059 sold.47,021 so'm
Teaching power supply J04005 Primary School Junior High School High School AC DC overload protection with electric meter physics experiment power supply 0.00 sold.169,275 so'm
Metal car primary and secondary school science grade two lower desktop car Balloon Power recoil car Experimental Mechanics 0.00 sold.42,319 so'm
Hook's law demonstrator explore the relationship between spring elongation and elasticity demonstrator physical mechanics experimental instrument 0.015 sold.258,614 so'm
Centrifugal track model 21034 inertia Centrifugal Force roller coaster model Junior High School physical mechanics teaching instrument 0.026 sold.164,573 so'm
Laser Optical demonstrator laser optical demonstrator high school physics optical experiment equipment teaching instrument 0.00 sold.3,065,666 so'm
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Single trace oscilloscope ST16A portable physics teaching instrument trigger level lock High School experimental equipment 0.00 sold.2,815,407 so'm
Magnetic cube 3.3cm, 5cm single-sided magnetic cuboid cube teaching aids Primary School Mathematical model 0.03 sold.37,617 so'm
Magnetic Polygon Splicing Strip Set Triangle Three-sided Relationship Teaching Aids Primary School Students' Mathematics Parallelogram Activity 0.020 sold.18,809 so'm
Teaching oscilloscope 15020/J2458 2MHz -- 5MHz junior and senior high school physics experiment instrument manufacturers supply 0.02 sold.2,815,407 so'm
24029 student signal generator physical experiment equipment physical teaching aids junior and senior high school teaching instrument 0.00 sold.517,227 so'm
Cell membrane flow mosaic model component 33304 cell membrane model biological experiment equipment teaching instrument 0.04 sold.225,699 so'm
Maxwell rolling pendulum gravity potential energy kinetic energy conversion demonstration equipment student Middle School Physics Experiment Teaching Aids 0.00 sold.159,871 so'm
Cuboid group aluminum block iron block plastic block cube group cylinder Group junior high school physics experiment equipment yongchuang 0.036 sold.56,425 so'm
Newton's second law experimental instrument 21060 demonstration instrument physical mechanics experimental teaching instrument for junior and senior high schools 0.00 sold.470,206 so'm
Aluminum Alloy Lever Ruler and Bracket 50cm Teaching Instrument Lever Principle Lever Physics Yongchuang Teaching Instrument 0.074 sold.51,723 so'm
Pulley set J21032 Junior High School physical mechanics experiment single and double action fixed series pulley mechanical effect yongchuang teaching instrument 0.014 sold.25,862 so'm
Flat Throwing Motion Experimenter (with Electromagnet) J21066 High School Physics Flat Throwing and Collision Experimenter Yongchuang 0.00 sold.188,083 so'm
J22023 single pendulum group 5 balls single pendulum ball Group physical mechanics teaching experiment equipment physical mechanics 0.00 sold.30,564 so'm
Demonstration of the original secondary coil J24009 experimental electromagnetics electricity junior high school physics experimental equipment Middle School teaching instrument 0.0266 sold.37,617 so'm