Cuddle up for sleepy time with the perfect plush pal — Nighttime Sis™! Baby will love learning about nighttime routines, counting and more. Pressing Sis’ tummy rewards baby with playful daytime phrases. When it’s time to wind down, hold the heart button to lock into lullaby mode. Baby will hear 10 minutes of soothing lullabies with three minutes of glowing light. Soft textures and a light-up heart help set the scene for a comforting bedtime routine. Sis is machine washable with sound box removed.