The Wobble Wag Giggle Ball is the interactive play ball that engages your dog's natural curiosity and instinct to play with super funny sounds, unique colors and motion designed to mimic human laughter and joy! Three tubes inside the ball let out sounds when it rolls around and ...The Wobble Wag Giggle Ball is the interactive play ball that engages your dog's natural curiosity and instinct to play with super funny sounds, unique colors and motion designed to mimic human laughter and joy! Three tubes inside the ball let out sounds when it rolls around and that means all the fun of the Wobble Wag Giggle Ball happens without the need for batteries! Your dog will have tons of fun whether you're around or not and the sense of accomplishment he or she will feel when they catch and shake the Wobble Wag Giggle Ball will leave them happy and proud - and that makes YOU happy too.