Sky Rocket S670 Sky Viper Stunt Drone (Discontinued by manufacturer) Execute aerial flight maneuvers at high performance speeds up to 16 MPH. Easy One-Touch Stunts! Perform barrel rolls in mid-flight with a simple tap of the Stunt button. Super Tough Duraflex Body: Designed with daredevil pilots in mind, the resilient polypropylene body is strong enough to withstand nearly any flight sustained impact. Adjustable Flight Controls. Change your controllers responsiveness for maximum precision to match your flying experience level: Beginner, Intermediate, or Advanced. Measures 10 inches blade to blade