Introduce positional concepts and build word recognition and observation skills. Format adapts to abilities and features interlocking pieces with photographs for easy recognition and retention. 24 puzzles/48 pieces. Sturdy, durable pieces with self-checking design. Ages 3+. 24 Fun Puzzles That Teach Word Recognition And Help Develop Observation Skills Perfect for ages 3+ Unique combination of words and images Sturdy puzzle pieces are great for little hands Great for home or school use