影片說明
Most kids have used toys with motors inside. But this is the kind of experiment that makes kids see what electricity does up close.
That's what makes this project so exciting. It's not just something spinning for fun — it's a real simple motor made with a battery, magnet, screw and wire.
The battery sends electricity through the wire and the screw. The magnet creates an invisible magnetic field. When the electricity and the magnet work together, they create a push that makes the screw spin.
That spinning movement is the same big idea behind lots of things kids use every day — fans, toy cars, electric toothbrushes and more.
Tiny setup. Real motor. Big “wait, I made that?” moment.
Adult supervision needed. The wire can get hot, so don't keep it connected for long.
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