TKGOU Snowball. 16 snoozy sounds, one portable package. TKGOU Snowball is the new essential sound machine that helps babies sleep anytime, anywhere. Clip it on your stroller, place it next to your travel crib and toss it into your diaper bag and away we go! 16 soothing sounds: White Noise, Ocean, Rain, Water, Wind, Dryer, Fan, Rock-a-bye, Heartbeat..