Our elegant Sudoku board set contains everything you need to solve any Sudoku puzzle without erasing, squinting, or trying to work around the smudges! The board comes with 81 large wooden pieces (red on one side, black on the other) to use for the given numbers and the ones you have figured out, and 81 small “thinking pieces” (red on one side, black on the other) for the spots you are still working on. Pieces are stored in two felt lined drawers within the board. The game board measures 10-1/2” square x 1-3/4” tall and includes an instruction and puzzle booklet with 100 puzzles at 4 levels of difficulty for the perfect gift.