Soothe your child to sleep at home or anywhere. Tucked inside these cuddly plush toys is a hidden sound machine with soothing sounds. Velcro™ tab attaches to Baby's crib. Adjustable volume, two sleep timer options. Takes 2 AA batteries (included). Safe for newborns on up. Plush is machine washable. Choose Peaceful Panda with 8 different sounds: Mother's Heartbeat, Spring Showers, Ocean Surf, Whale Songs, Twinkle Twinkle, Rockabye Baby, Classical Lullaby and Tranquil Melody, or Sunshine Owl with 4 soothing sound options - Sunny Days, Forest Walk, Brook, Daydreams. About 10" high.