Wooden Sudoku Puzzle Board Game with Drawer, Round Chess Pieces SD-11 (Blue)

No pencil or paper required. Made of beech wood, 81 thinking tiles. The best way to train brain.Made of beech wood. One side is 9 x 9 board, the other side is 3 x 3 and 6 x 6 board, 3 different ways for you to play.Comes with booklet of 100 sudoku puzzles, divided into difficulty levels.Design with 81 common chess, 9 pieces spare chess and 10 pieces symbol chess；When playing sudoku, you can also help improve maths skills by doing maths with your child.With drawer design, can develop children’s storage habit.No pencil or paper required, just observe, think and finally answer. It's the best way to train brain, keep away from electronics.