Mr Puzzle - Newly released Piston Puzzle by Felix Ure. A unique, seven-stage, difficult sequential discovery puzzle. The puzzle has a simple goal and an elegant repeatable solution. https://www.mrpuzzle.com.au/product/piston-puzzle/ | Facebook
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Very happy to now offer Felix Ure puzzles for sale @ https://teamjbhobbies.com : r/mechanicalpuzzles
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