Hyper Pet K9 Kannon K2 Ball Launcher Interactive Dog Toys (Load and Launch Tennis Balls for Dogs To Fetch) [Best Dog Toys for Small and Large Dogs - Available in 2 Sizes]GREAT SOURCE OF EXERCISE & FUN: An Interactive dog toy that launches tennis balls for dogs favorite game fetch! EASY TO OPERATE: Features a quick trigger seamless tennis ball launch to get your dog jumping and fetching. More play means a healthier, happier dog. VARIED DISTANCE: Adjust the distance you launch tennis balls for your dog by pulling a lever. The further back you pull, the further the tennis ball blasts which mean more exercise for your