Mini Marble Machine

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At the other end of the scale it turned out I had some 5mm ball bearings kicking around and some 1.5mm thick mdf so I was able to make marble machines that were half the size of the originals. These machines are teeny and cute and also very postable so they're going up in the store for sale.
http://msraynsford.myshopify.com/products/miniature-laser-cut-marble-machine-kit-1







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