16inch Medium Compact Tennis Ball Blaster, Dog Toy by Nerf Dog Nerf-Powered Blast: Skyrocket tennis balls 50 feet into the air! Hands-Free Pickup: Re-load totally hands-free, simply place the barrel over the ball Simple Operation: Just pull back on the handle, load ball, and shoot Adjustable Power: Easily change the distance of your shots and adapt to any environment 4 balls included, compatible with any standard-sized tennis ball or smaller