The Matching Puzzles Series is designed to provide just the right level of challenge for your child; begin by offering just two matching pieces; increase the challenge level by simply offering more pieces to choose from. These puzzles are a great way to help your child develop basic problem-solving skills such as creative thinking and perseverance. The puzzles are self-correcting which means that only one piece will fit with any other, thus eliminating the frustration. Completing each mini-puzzle correctly and being rewarded with a fun image related to the exciting theme is a big boost to a child's confidence.