12 months & up. Make learning both fun and calming with this set of two interactive musical books! Children can follow Ditty Bird on musical adventures featuring six favorite bedtime songs and six classic nursery rhymes that encourage moments of comfort, happiness, and bonding. With engaging sound buttons and vibrant illustrations, little ones can explore songs like Twinkle Twinkle Little Star, You Are My Sunshine, Itsy Bitsy Spider, Row Your Boat, Old MacDonald, and more while building early vocabulary, imagination, and motor skills. Each book includes enhanced volume control, improved speaker quality, and a fast-recharging USB-C battery that provides up to 9 hours of playtime. Please note: These books charge via USB-C; cable not included.