Baby Einstein Music Is Fun Play-a-Song Interactive Book! Walt Disney Company, oversized hardbound ~13x13"! Your child could play along with 15 different melodies Develop fine motor skills and hand-eye coordination Five picture buttons trigger melodies and six colorful, light-up buttons trigger exciting sound effects. Ages 18 months+, each time you or baby press a button, there's a fun reward in store. Baby hears six different melodies.