How to make smallest Electromagnetic Train in a wire coil

توضیحات:

Instructions how to make very small train from AAA battery and magnets, how to make copper wire coil with a simple tool. Main parts you need: -Neodymium magn...

لغات کلیدی:

magnetic train, smalest train, copper coil train, copper coiler, electromagnet, electromagnetic train, small train, smallest train, train model, clean energy...

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