Magnetic Lines of Force Demo Set, 3D Magnetic Field Demonstrator - Physics Experiment Equipment - Used for Students to Use Teaching Aids and Teaching Aids

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About This This instrument is composed of iron powder box and magnet. This instrument is used for scientific experiments in middle schools. The iron powder box is made of transpare nt plastic, and its inner cavity is rectangular with a proper amount of iron powder. When changing the tilt direction of the box, the iron powder can move inside the box. Physics experiment equipment, learning aids for students, teaching aids and instruments Show more