Does not contain batteries
Raises student's beginning ability
To know the simple circuit knowledge
Interesting and healthy
this model is an experimental model of transforming electric energy into kinetic energy.
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Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
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