The CircleEmptySquare Puzzle has squares and circles in the corners of the pieces. The larger problem is to have the extra space left over making a symmetrical pattern somehow.
- red alder and black walnut wood
- 12 pieces
- 15,692 solutions
- 5″ x 4″ (13cm x 10cm)
- difficulty level: 4 out of 10 and 9 out of 10
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