The Nerf Stomper is a foot activated ball launcher that launches balls up to 23 meters (75 feet) into the air. Ideal for games of fetch, it will keep your dog fit and active, providing him with the exercise he craves. This robust, plastic stomper doesn’t require any adjustment; it’s neck is already angled in the optimal position. Just one stomp is required to make the tennis ball shoot into the air, great for owners with shoulder injuries. Tennis ball included and no need for batteries. Read more… Measures 10"