The Devils Square Wood Puzzle | Hard Brain Teaser for Adults physics teach school This puzzle is packed unsolved

This puzzle is packed unsolved with the last piece sitting on top

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It arrives already solved

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The Devils Square Wood Puzzle | Hard Brain Teaser for Adults physics teach school This puzzle is packed unsolvedAnother Devil of a puzzle in our popular Devil's series. (See Devils Egg and Devils Cube Also) This one has 10 fiendishly shaped pieces that will fit back into a square in the box provided. Has a solid wood cover also. If you would like to purchase laser engraving for this item, please supply text in box. Level of Difficulty: Level 5 Materials: Wood