What Do I Use, 12 Self-Correcting 3-Piece Puzzle Frank 10126 By

What Do I Use, 12 Self-Correcting 3-Piece Puzzle Frank 10126 By Details

The pieces are fashioned in such a way that only the correct pieces will fit each other properly. Such educational puzzles are recommended for learning environments at home as well as preschools, playschools, and nurseries.