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21047 Galileo ideal inclined plane demonstrator new curriculum standard high school inclined plane experiment demonstration instrument high school physics

FreeHand slicer J27009 teaching instrument experiment tool biological model specimen system

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silicon carbide SiC30 sphere crystal structure model silicon carbide unit cell model silicon carbide diamond structure

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Small diamond cell structure model detachable student group experiment

U80U-shaped magnet horseshoe-shaped magnet magnet 8cm medium junior high school physics experiment U-shaped hoof-shaped teaching magnet

Coil SpriNg Set 0.5N, 1N, 2N, 3N, 5N J21006 JuNior High School Physics ExperimeNtal EquipmeNt TeachiNg INstrumeNt

Simple Periscope Round Detachable Optical Periscope Fabrication Material Refractive Telescope Light Refraction Experiment

Mechanical stop clock 60s 0.1 second junior high school physical timing stop clock sports experiment counter mechanical stop watch

3 Digital dice

15011 multi-purpose electric meter multimeter teaching instrument J0411 multi-purpose electric meter DC full range multi-functional teaching

Magnetic suspension demonstrator primary and secondary school physical magnetic suspension principle experiment Primary School scientific magnet experiment

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[teaching Instrument] Electroscope Connecting Rod J23042 Physics Experiment Equipment Physics Experiment Instrument

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Sian Model Four Great Inventions Ancient Compass Compass Direction Positioning Geography History Teaching Model

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Compass large compass physical experiment

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Bevel Friction Meter

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Xuefen A9963 Position and Direction Demonstration Set Second and Third Grade Orientation Cognition East, West, North and South Mathematics Teaching Aids

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