Can you arrange the 9 pieces such that each set of adjacent numbers adds to 10? We mounted a little handle on each piece such that they are easy to move or rotate. All the numbers and lines are laser engraved so that they will last forever. Puzzle comes setup in an unsolved configuration, but does include a written solution. Includes base and wood cover
The idea for this puzzle came from an 1800's French puzzle called Calumet.
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