This wooden 26 piece puzzle pronounces the correct name of each letter when it is placed correctly in the puzzle board! Letter pieces are slightly raised above the puzzle board for easy grasping. Colorful pictures beginning with each letter are underneath each piece to help develop the relationship between letters and their sounds. From Melissa & Doug, this Alphabet Sound Puzzle is approximately 10" x 13 3/4". Requires 2 AAA batteries (not included). Ages 3 & up.