Description
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