Science experiment electromagnetic Induction power train children's science and technology STEM Scientific maglev train teaching
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Science experiment electromagnetic Induction power train children's science and technology STEM Scientific maglev train teaching
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
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