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金华三指峰算盘有限公司
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Capacity Unit Demonstrator 27 Pieces
CN ¥ 21
Zh Simple Circuit Experimental Equipment set Year 24 Series Parallel Circuit Scientific Experiment Box Lamp Holder Switch
CN ¥ 7
zh primary school scientific experiment magnet set with the same pole excluding the different poles can do a variety of experimental magnetic suspension
CN ¥ 8
Two-Wheel Balance Car DIY Technology Small Production Materials Small Invention Students Manually Make Balance Car
CN ¥ 5.5
assembly earth telephone material primary school science natural sound transmission acoustic physics experiment equipment children
CN ¥ 2.5
simple manipulator technology small production small invention handmade homemade diy materials elementary school students‘ scientific experiment
CN ¥ 4
[Area Measuring Device 100 Grid] 1cm 100 Small Squares Square Centimeters Per Grid Side Length
CN ¥ 0.8
[20cm magnetic 16 equal yellow] magnetic circle area circumference ratio calculation formula derivation demonstrator model
CN ¥ 15.5
[Plastic Four-Piece Set] Large Triangular Plate Pair Set for Teaching Compasses Protractor
CN ¥ 26
Self-Made Periscope Material Children Primary School Science Experiment Material Primary School Student Science and Technology Small Production Handmade DIY
CN ¥ 1.8
Magnetic Lens Magnetic Suction Optical Lens Light Convergence Refraction Reflection Magnetic Semicircle Lens Equilateral Triangle
CN ¥ 6.5
Zh-lens Prism and Bracket Metal Rod Bracket Primary School Science Junior High School Physical Optics Experimental Equipment
CN ¥ 9.5
Zh Light Refraction Demonstrator junior High School Physics Optical Experiment Equipment Teaching Instrument Total Reflection Demonstrator of Light
CN ¥ 29
zh-periscope detachable splicing rotating mirror pipeline periscope optical experiment self-made periscope
CN ¥ 9
Zh Magnetic Suction refraction and Reflection of Light Eyeball Imaging Lens Refraction and Reflection Junior High School Physics Optics Teaching Demonstration
CN ¥ 110
Leverage Ruler and Bracket with Scale Line Stainless Steel Lever with Hook Code Mechanical Balance Scientific Experiment Physical Instrument
CN ¥ 8.5
cuboid group
CN ¥ 12.8
Zh-Two Crocodile Clip Wire junior High School Students Physical Electrical Consumables Copper Wire
CN ¥ 0.5
zh-bulb 1 screw small electric bead small lamp holder 2.5v 3.8v 1.5v6v physical and electrical experiment small bulb
CN ¥ 0.5
Single Pole Double Throw Switch Blade Simple Circuit Physical Electrical Experimental Apparatus Primary and Secondary School Teaching Equipment
CN ¥ 2
No. 5 Battery Box
CN ¥ 1.3
Allotropic Carbon 60 White Key Transparent Key Plastic Stick Chemical Structure Model Student teaching Aids
CN ¥ 6
110mm bar magnet a pair of magnet positive and negative electrode cognitive teaching instrument for student teacher physical experiment
CN ¥ 12
u-shaped horseshoe-shaped teaching magnet for primary and secondary school teaching experiment magnet magnet 50*40 * 8mm
CN ¥ 3.5
bucky ball carbon c60 molecular model science experiment teaching aids teaching chemistry equipment ball tube crystal xls
CN ¥ 8
HZY Teaching Magnetic Matts Four Lines and Three Grids Pinyin Lattice English Grid Soft Magnetic Stickers Teaching Clock Blackboard Paste
CN ¥ 7
a4 self-adhesive label printing paper self-adhesive sticker blank internal cutting glossy laser inkjet matte adhesive by
CN ¥ 25
L Pinyin Spelling Turntable Teaching Aids Turntable Big Turntable Learning Artifact Children Learn Pinyin Alphabet Artifact Alphabet
CN ¥ 12
commodity small label sticker name sticker oral paper self-adhesive office supplies self-adhesive hand account stationery price by
CN ¥ 6.5
No. ZH-5 Battery Box
CN ¥ 1
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