Self Correcting Number Puzzles

4 years & up. Great for matching and counting skills! Match these wooden puzzle pairs to make mastering numbers fun. Groups of objects illustrate numbers 1-20, and the puzzles are self-correcting--each piece has only one match that fits--so children can play independently and be successful. The full-color pictures feature familiar objects. Includes 40 wooden pieces in a wooden storage box with a slide-in lid.