Fashnics Electromagnetic Power Battery Train Maglev Train Toy School Science Physics Experiment Technology Children's Teaching Gift
Fashnics
Electromagnetic Power Battery Train Maglev Train Toy School Science Physics Experiment Technology Children's Teaching Gift.Recommend Age : 14+y Origin : Mainland China Electromagnetic Power Battery Train Maglev Train Toy School Science Physics Experiment Technology Children's 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 co
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