The Deluxe Wooden Sudoku Game Board is a fun way to enjoy a game of Sudoku without having to erase a piece of paper, squint at your handwriting or work around pencil smudges. High quality board game set 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. If you know someone who loves Sudoku they will love this high quality board game. Makes a great board game gift for number-puzzle lovers Pieces can be stored in two felt-lined drawers within the board Instructions and puzzle booklet included Booklet contains 100 puzzles at 4 levels of difficulty The Deluxe Wooden Sudoku Game Board measures 10-1/2" square x 1-3/4" tall. Recommended for ages 12+