Self-Correcting Number Puzzles

The Scoop Match these wooden puzzle pairs to make mastering numbers as easy as 1, 2, 3. 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 learn at the same time. Details Great for matching and counting skills Color pictures feature familiar objects. Wooden storage box with slide-in lid 40 wooden pieces 4+ years