Fun-to-Know&reg; Puzzles: Alphabet Teach letters, jump-start reading. Letter sounds match photos. Supports early-learning standards. Only matching pieces fit together. Words on puzzle-piece backs as another way to match. Durable, 3" x 3" pieces. Sturdy storage box. Photos for real-life learning. 26 two-piece puzzles. 52 pieces. Ages 3 & up.