Deluxe Wooden Sudoku with Pull Out Storage Compartments and FREE 2008 PUZZLE BOOK - BEST SELLER! in high demand 2 pull out compartments to easily store your sudoku number pieces 2 sides in each number tile, one side in red and other in black small sudoku number tiles included as well as the 2008 Brain Teaser Sudoku Puzzle Book #1 (retails alone for $10.00) dimensions: 12 x 12 x 2.5 inches. Best sudoku design.