In this puzzle, the pieces are slightly raised above the puzzle board for easy grasping. The colorful pictures underneath each piece help reinforce the relationship between letters and their sounds..Age: 3+ years.Wooden puzzle board and pieces.26 alphabet pieces.Dimensions: 10″ x 0.8″ x 13.5″.Contains Small Parts, AAA Batteries Not Included.Melissa & Doug Alphabet Sound Puzzle is a 26-piece wooden puzzle that pronounces the correct name of each letter when it is placed correctly.