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金华三指峰算盘有限公司
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zh [five-piece lens] lens for optical experiment semicircle lens triangle lens rectangular lens
CN ¥ 16
Zh Experiment Box Magnetic Suction Geometric Light Set Plate Eighth Grade Middle School Experimental Box Junior High School Physics Experiment Equipment
CN ¥ 96
Zh-Color Small HD Binoculars Portable Kindergarten Primary School Boys and Girls Birthday Gifts
CN ¥ 11
Children and Teenagers DIY Science Experiment Volcanic Eruption Small Production Fun Science Experiment XLS
CN ¥ 15
zh-multi-mirror folding mirror kindergarten science discovery room equipment materials science laboratory optical science
CN ¥ 9
zh-hand pressure kinetic energy flashlight small flashlight kinetic energy power generation mini portable hand pinch strong light small flashlight
CN ¥ 5
Light Three Primary Color Synthesis Demonstrator Junior High School Physics Optical Experiment Equipment Teaching Instrument
CN ¥ 7
electric turtle stem science laboratory learning diy parallel circuit knowledge technology small production invention xls
CN ¥ 27
optical bench of convex lens imaging experimental device
CN ¥ 21
Pinhole Camera Model Tester [F Light Source + Optical Bench]]
CN ¥ 19
[pulley block and bracket galvanized base] mechanical experimental equipment for physics experiment in junior high school and senior high school
CN ¥ 7
cube set side length 25mm
CN ¥ 13.9
Cylinder Group * 20 * 32mm
CN ¥ 9.9
liquid pressure and depth relationship tester
CN ¥ 49
Pressure and Pressure Tester Pressure Pressure Demonstrator Metal Table Junior High School Physical Mechanics
CN ¥ 8.9
transparent liquid tube
CN ¥ 13.5
40mm Ring magnet a Pair of Students and Teachers Use Magnet Positive and Negative Electrode Cognitive Teaching Aids Teaching Instruments for Physical Experiments
CN ¥ 6
rubber band power car cyclone experimental car youth craft class competitive competition car model
CN ¥ 11
zh-all kinds of qualitative filter paper
CN ¥ 3
extracurricular homework for teenagers teacher xing c035 balloon power car assembly model technology small production xls
CN ¥ 6
Zh-Transparent Plastic Storage Box Experimental Storage Box Teaching Instrument
CN ¥ 5
Wooden Test-Tube Rack 6/8/10/12 Holes
CN ¥ 7
Thunderbird Rubber Band Powered Aircraft Model Aircraft Model Aircraft Biplane Rubber Band Powered Aircraft XLS
CN ¥ 4
bubble plane rubber band aircraft knight police rubber band power module-body gliding aircraft assembly model aircraft xls
CN ¥ 14
children‘s model aircraft foam aircraft hand throwing glider outdoor assembled hand throwing aircraft model foam aircraft xls
CN ¥ 7
roll swing maxwell roll swing mechanics experiment technology small production small invention xls
CN ¥ 7
wooden stone rack technology small production small invention ancient stone catapult understand the wisdom of ancient people xls
CN ¥ 7
Bipedal Walking Robot Simple Robot Maker DIY Robot Technology Small Production XLS
CN ¥ 15
creative small table lamp night light diy technology small production small invention hand-assembled model xls
CN ¥ 7
Creative Technology Dinosaur Electric Car students over 5 Years Old DIY Hand-Assembled Toy Car XLS
CN ¥ 14
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