This brain-teaser starts easy and gets harder as you progress. The object is to build perfect units called "pentas" by placing a certain number of Pentaminos on the board.

The game comes with 10 different pentominos, which are wooden shapes equivalent to five attached cubes. Also included are 8 smaller pieces the sizes of 1, 2, and 3 cubes. The 12 x 5.5 inch wooden game board is a grid, which you limit by placing the "setting stick" progressively further along.

The two player version entails dividing the board with the setting stick. Players take turns placing pentaminos on their own sides. Last to place a pentamino wins.