Medium Babble Ball. The Babble Balls are interactive toys that talk or make exciting animal sounds when touched. The improved technology is so sensitive it can be triggered by a pet breathing on it, or just by the vibration of a pet walking past it. When play is finished, the Babble Ball turns off automatically and waits to be touched again.Pets think it's actually alive! Babble Balls now come in the wisecracking "Talking" series, and the "Animal Sounds" series. This ball from the Talking series has more than 20 different sounds like 'Rock 'n Roll Big Doggie', 'Hey, What are you doing?', 'Grrrrrr!', 'Sweet Puppy' and many more! This new and improved generation of Babble Balls features durable high impact ABS construction, triple the sounds, improved sound quality and replaceable batteriesKey Benefits Triggered by your dogs breathing and vibrations Over 20 different sounds New and improved Replaceable batteries Size - Medium 2 3/4"