Introducing numbers has never been easier than with this Bigjigs Toys Wooden Snake Puzzle. Perfect to teach digits 1 to 20, each wooden piece features a number which matches the number on the baseboard. The jigsaw puzzle baseboard is cleverly carved out so that each puzzle piece can only fit into its correct place. Also, it helps to develop an understanding of numbers and colours as the snake winds around. Generously sized, each chunky wooden puzzle piece is easy for little hands to lift, grasp, examine and replace. Suitable for ages two years and above.