?Sturdy Pieces - High quality 3mm thick pieces ?Great children activity - Puzzle play is a great way to help children develop their problem-solving skills and help build confidence. ?These jigsaw puzzles (in the form of classic flash cards) can be an interactive and fun activity for children to learn Chinese! ?Illustrated by Celine Chen ?Dimensions: 6.3" x 3.4" each pair ?Recommended Age: 18M