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The CalmPlex MindBlockTM puzzle
The CalmPlex MindBlockTM puzzle is a put together wooden puzzle that makes an 8x8 checkerboard, a 4x4x4 cube and over 50 other shapes. This puzzle's simplicity belies its innate complexity! Online retail shipping versions  | CalmPlex MindBlock Small
- 3/8 inch wooden cube construction
- Birch and Walnut wood
- Checkerboard shape size approx 3" x 3"
- Cube shape size approx 1.5" x 1.5" x 1.5"
- Birch wooden box
- $9.00
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 | CalmPlex MindBlock Large
- 3/4 inch wooden cube construction
- Birch and Walnut wood
- Checkerboard shape size approx 6" x 6"
- Cube shape size approx 3" x 3" x 3"
- Birch wooden box
- $19.00
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A testimonial..."I think that one reason for the greater popularity of this puzzle is that it has multiple solutions, so people can feel some sense of accomplishment along the way ... Single solution puzzles are a bit too "all or nothing" so there is no gradient sense of achievement. "
David Gwillim
Programmer/analyst and puzzle aficionado
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