World’s Simplest Electric Train

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This is the world’s simplest electric toy train which runs not only inside but also “outside” the coil. You need Copper wire diameter 0.7 – 10 mm. / 25 m., Neodymium magnets diameter 1.3 mm, Battery LR1, E90, N, AAA. This “Train” is made of magnet,copper wire and a dry cell.

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