Small medium large Identify the differences between different sizes with Frank puzzles -small medium large. Improves a child’s observation skills Helps the child to differentiate between small, medium and large Bright and colourful illustrations generate interest Helps develop coordination, visual and memory skills Contents : 30 pieces (10 self-correcting 3-piece puzzles) with play plus that contains fresh and innovative ideas for further practice through fun-filled games. Recommended for ages 3+