EDUCATIONAL ALPHABET LETTER PUZZLE: The Melissa Doug Self-Correcting Alphabet Letter Puzzle set includes 52 durable wooden pieces that help kids learn the ABCs as they match letters to pictures. SELF-CORRECTING PUZZLE: ?Self-correcting? means each piece has only one match that it fits, so kids can develop a sense of mastery. This alphabet wooden puzzle features both capital and lowercase letters and labeled images. SOLID WOODEN STORAGE BOX: Melissa Doug ABC picture board pieces can be used on their own for countless letter games and activities and fit neatly in the sturdy wooden box. GIFT FOR KIDS 4 TO 6: This puzzle is an exceptional gift for kids ages 4 to 6 years. Add the Melissa Doug See and Spell Learning Toy to round out the hands-on play experience and give kids an engaging option for screen-free fun. ?THE GOLD STANDARD IN CHILDHOOD PLAY?: For more than 30 years, Melissa Doug has created beautifully designed imagination- and creativity-sparking products that NBC News called ?the gold standard in early childhood play.?