PUZZLE HELPS DEVELOP SKILLS: Develop fine motor skills, number recognition, and counting skills LARGE NUMBERS SIZED FOR SMALL HANDS: Big, bold, die-cut shapes let kids get a real feel for numbers, from the curves of 3 and 8 to the straight lines of 11. Great for tactile learners. CHALLENGING PUZZLE FOR KIDS: Each letter comes in 2 pieces to give young children just the right amount of challenge in solving. A fun way to practice matching colors on each half, too. 40 PIECES WITH STORAGE: Set includes 40 die-cut pieces needed to create the numbers 1 through 20. Box includes handle for on-the-go fun. PUZZLES FOR TODDLERS: Great for any toddler ages 3+