Science Experiment Electromagnetic Induction Power Train Children's
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)
Package Included
One order for one set
Material: Metal + Magnet parts
