| Designer | : | Bill Cutler |
| Craftsman | : | Tom Lensch |
| Category | : | Put-Together |
| Material | : | Mahogany & Holly |
| Pieces | : | 12 |
| There is only one way the twelve pentomino pieces can be put into the 3x4x5 rectangular box with a checkerboard pattern showing on all six sides. If you count the colors of the cubes, you find there are thirty-one of one color and twenty-nine of the other. How is this possible? This is no puzzle, it's a nightmare! | ||