Ages 3+. Press hand to change mode! Press tummy to make 'em sing. You control the tempo, one note at a time. Sound better singing together! Includes 2 AAA (R03) batteries. Dispose of batteries safely. To Change Modes: 1. Harmony - They can sing together!. 2. Chatter - They speak jibber-jabber! 3. Song - They each sing a unique song! Made in China.