There's no pencil or paper required for this fun Sudoku puzzle game! Fill each row, column and square with numbers 1 to 9 without repeating them - it really is easy Sudoku for kids. This testing wooden Sudoku game is a great way to train the brain from an early age. Includes a handy tray to store all of the numbers whilst they're not in use. A great game to develop the strategic mind, develop logical skills and help kids to relieve stress. Made from high quality, responsibly sourced materials. Conforms to current European safety standards. Sudoku - product features: Wooden Sudoku Made from smooth, premium-quality wood 5 years + 22.5cm L x 3.4cm H x 22.5cm