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Another new challenge I hope to receive entries for, the 15 puzzle is a completely different puzzle but it is made by a cube manufacturer! But the question is, can you make one yourself? The challenge is to make your own 15 puzzle and send me a video proving it is fully functional.

Deadline: 31st March 2021 at 11:59:59 PM GMT submit entries to with clear video evidence for a chance to win.

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