36 Cube is the World's Most Challenging Puzzle, a crazy 3D Sudoku
ASTRA Best Toy for Kids List – 2009 Parents’ Choice Gold Award – 2009 iParenting Media Awards Best Products of 2009 The 36 Cube is a 3D sudoku puzzle that consists of a gray base that looks like a city skyline and 36 colored towers. The towers come in six different colors and six different heights. Your… Read More →