The Devils Square Wood Puzzle | Hard Brain Teaser for Adults physics teach school The listing is for 1

The listing is for 1 Gear and you can string together as many as you like

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

The Devils Square Wood Puzzle | Hard Brain Teaser for Adults physics teach school The listing is for 1Another 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