Three discs easily attach to the projector to provide a glowing nightlight or two patterns of light effects! Nature sounds, lullabies and melodies create a calming environment. Includes timer and volume controls. If little one begins to cry, calming sounds and melodies will begin to play, helping baby learn to self-soothe. When your little one awakens, switch modes to play five nursery rhymes. Hearing rhyming tales encourages language development in little listeners. Contains: Vtech Baby 3-in-1 Starry Skies Sheep SootherAge: 0 Months+Batteries: 2x AA Demonstration Batteries Included