Disney Baby Dreamy Sounds Soothers effortlessly help calm children to sleep and make the perfect nighttime companion. Similar to the best-selling Sleep Sheep, Disney Baby Dreamy Sounds Soothers will lull little ones to sleep with the classic melody “Twinkle Twinkle Little Star” and pleasant “white noise” – soft sounds of nature. They can also be attached to a crib with Velcro® straps and feature a removable sound box.