Skyrocket Toys Sky Viper m500 Nano Drone - AUTO Launch, Land, Hover The tiny Nano drone is perfect for indoor flying but also sturdy enough for the outdoors 2.0" body size (not including blades) Perform one touch stunts like left and right barrel rolls and flips at the touch of a button State of the art viper flight+ technology - auto flight (auto launch, auto hover, auto land) No FAA registration required