@physicsfun 2022-11-26 20:29:41
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Spin Bank: a clever spring mechanism launches each coin into rotation along a symmetry axis on to a concave trapping surface. Angular momentum of the spinning quarter keeps it upright even as it bounces upon impact with the platform. Another spin on making saving spare change fun! ➡️ Follow the link in my profile for info on where to get this coin bank and other amazing items featured here on

@physicsfun at 2022-11-26 20:29:41

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