Using the Scream Ball Launcher means no more mucky hands - you can enjoy slobber-free ball pickup while playing with your dog! Throw the ball further and faster, over and over, with minimal effort - resulting in more Scream fun for you and your dog to enjoy, living life loud, just like Blaze! The Scream Ball Launcher comes with its own Scream ball, so you’re ready to play immediately. The Scream Tennis Ball features a solid foam filling, making these balls more durable, with higher bounce, and allowing them to travel further and faster than ordinary tennis balls! These launchers use a standard medium-sized Scream ball. Extra replacement balls are available for purchase.