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.
Melissa & Doug (Number Puzzles 2542)
Self-Correcting 1-20 Number Puzzles
Includes 40 Wooden Pieces
5 in stock