12 months & up. These musical books will brighten any day! Follow Ditty Bird on many musical journeys with 6 of his favorite bedtime songs and 6 of his favorite nursery rhymes. Through these two musical books, children will discover captive illustrations and familiar songs. Songs include 'Twinkle Twinkle Little Star', 'Hush Little Baby', 'Itsy Bitsy Spider', 'Row Your Boat' and many more. Each book comes with three LR1130 batteries, instructions for replacement can be found on the back cover of the books. Includes 2 musical books.