Old MacDonald's Farm Sound Puzzle8 piece wooden peg puzzle plays the verses of the Old MacDonald song when pieces are lifted 2 AAA batteries required, not included; sounds are light activated for best results, use in bright, direct light Farmer starts song, animals complete their verses; song lyrics included on puzzle Helps teach hand eye coordination and problem solving and helps develop auditory processing skills Makes a great gift for toddlers and preschoolers, ages 2 to 5, for