8 Queens Wood Puzzle | 4 Piece Logic Brain Teaser personalized whiskey The machine can be used

The machine can be used to encode your own secret messages

Set Measures 8" x 4

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Some of the puzzle pieces are appropriate for engraving as well as the frame and cover

Made from quality hardwood and built to hold up to repeated handling

8 Queens Wood Puzzle | 4 Piece Logic Brain Teaser personalized whiskey The machine can be usedYou must Arrange the 4 boards to form an 8x8 grid such that no queen (star shape) is repeated on any column, row, or any diagonal. In doing so you are keeping your Queens safe from attack from a chess type move where Queens can move horizontally, vertically, and diagonally. Although the puzzle does not appear difficult, it is shockingly hard to solve, with over 12,000 orientations possible and only 1 possible solution. Makes an excellent desk or