3 years & up. Content-rich cards do their job, teaching children new skills in a fun way. This educational aid uses photos to teach 10 colors, 10 shapes, and numbers to 25. Self-checking, answers on card backs. Sturdy cards and storage box. Students will delight in mastering new skills. No-see-through cards with quick-sorting, rounded corners. Includes 96 cards, 3" x 6".