This classic Sudoku board game is good for formation of logical thinking.Our Sudoku board is made of quality engineered wood and comes with 81 beautiful Sudoku numbered tiles pieces. A Smooth board and tile pieces will make you feel comfortable.This puzzle game is based on numbers and colors and promotes the practice of logical thinking and reasoning.Built-in multiple game modes and corresponding reference answers can make children more challenging in the game.Contents: Game Board, 81 Thinking Tiles and 81 Main Tiles ( 9 sets of different colored 1-9 numbered tiles) cloth pouch, puzzle book. You can download more puzzles from the website.Game Board 81 main tiles to play 81 Thinking Tiles Puzzle Book for initial setup of game