Description: Sudoku Board: Sudoku Board Game offers multiple ways to play, the difficulty level depends on the number of clues given, and the reasoning mode becomes more complex as you play more challenging puzzles. Enrich children's gaming experience.Educational Toys: By playing Puzzles Board Game, children can develop their logical thinking and problem solving abilities, improve their attention, and are toys that promote brain development.Sturdy Material: Wooden Sudoku Board Game Set is made of wooden material with smooth edges, sturdy and durable, not easily damaged and can be used for a long time.Interactive Game: Number Thinking Game is suitable for family fun time. Parents can play with their children to enhance parent child relationship and enjoy fun time.Easy to Store: Educational Toy adopts a storage box design, which is easy to store and carry. The large diameter design makes it easy for children to pick up and store, keeping the play area neat and orderly. Specification: Material:Wooden Size Chart: 22.5cmx22.5cmx4.1cm/8.86inchx8.86inchx1.61inch Package Includes: 1 Sudoku Board Game Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.