Science Experiment Electromagnetic Lnduction Power Train Puzzle Toy Kids Science Technology STEM Maglev Physics Teaching Gift

Science Experiment Electromagnetic Lnduction Power Train Puzzle Toy Kids Science Technology STEM Maglev Physics Teaching Gift

Principle: the coil is energized to generate a magnetic field, and the same sex repels each other. When the magnets adsorbed on both ends of the battery enter the coil, a magnetic field is generated in the coil, which attracts and repels with the electromagnet, and the battery can move quickly.

Power source: AAA battery (not included)

One order for one set

Material: Metal + Magnet parts

Package included:1 coil, 4 magnets

Due to manual measurement, there may be an error of 0-2cm. Please understand