Melissa and Doug have designed this sound puzzle to delight little children. This peg puzzle has gone to the next level with the new Wooden Sound Puzzle! This puzzle imitates 8 animal sounds! Realistic sounds are played when the puzzle pieces are properly placed on the board. It's a fun and unique way to reinforce matching skills. 2 AAA batteries are required. (Not included) Suits age range for children 18 months to 3 years.