Have fun day or night with the Baby Amaze Sleep and Soothe Lullaby Doll by VTech; little ones will enjoy seeing all the different the things the doll responds to Introduces nurturing concepts and role-play as your child pretends to take care of the baby doll; soft huggable doll with smart sensor; pacifier triggers baby sounds Press the day button to hear sweet phrases, nursery rhymes and sing-along songs which encourage play; press the night button and rock the baby to sleep while listening to nature sounds and lullabies Nursery rhymes and sing-along songs encourage new vocabulary; features 50+ songs, melodies, sounds and phrases Requires 2 AA batteries (batteries included for demo purposes only, new batteries recommended for regular use); baby doll is intended for ages 2 years and up