A combination of numeration and triangular shapes make this puzzle a true test of concentration and wits. With three games in one puzzle, the Rubik's Brain Racker® provides a challenge of creating shapes and color schemes as well as the ultimate challenge of creating a Sudoku® having 12 shells.

Rubik's Brain Racker® will challenge and surprise you with its many combinations. But most of all, you'll have fun testing your skills and applying your own strategies as you solve the latest Rubik's brainteaser puzzle.