Magic coin box

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Here is a little magic box that I had as a child (it was made of wood) and that I reproduced in plastic with my printer. This trick makes a coin disappear by entering a drawer in a box and makes it reappear by discreetly flipping the drawer and re-entering the box. No difficulty for the printing of the parts. It will be necessary to finish the box by introducing a nail of 2.5mm diameter to let it exceed 32.5mm (see photos). You can glue the nail or as I did, push with a soldering iron which melts the plastic a bit and makes the nail hold well. I had previously drilled a 2.5mm drill bit in the hole of the box.