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How to make a coin sorting machine with cardboard

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With some thick cardboard, a cutting knife, some hot glue, a ruler, and probably a bit of trial and error, you can create your own DIY coin sorting machine. The key to the sorting “mechanism” is to cut the right size holes in the correct order—smallest to largest. Watch this how-to video from The Q.

Related videos: How to make a mechanical snail coin bank, Caine’s Arcade, and How Do They Make Money?

via Boing Boing.

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