Bigjigs is a family-run business committed to producing quality, safe and affordable toys. Their products are responsibly sourced and complement childhood development through creativity, fun and learning. There's no pencil or paper required for this fun Sudoku puzzle game! Fill each row, column and square with wooden numbers 1 to 9 without repeating them. 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. Dimensions: W 22.5cm x H 3.4cm x L 22.5cmSuitable for children from: 5 Years +