Your grandmother means well. But by the time she figures out something’s a fad, it is old news. So maybe you got a fidget spinner in your stocking this year. Beats coal. Before you regift it to your ...
Turn it on and this spinner won’t stop! We’ll use magnet wire, magnets, reed switches, and a power supply to get our spinners moving indefinitely. You’ll learn about electromagnets, rare earth magnets ...
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