This UFO Fingertip Flying Spinner is designed to play indoors as well as outdoors. Turning On this toy is very easy, just shake it a little bit and it start automatically. Different throwing speeds and angles allow different flight paths, tricks and high-speed maneuvers. You can throw it and catch it yourself. This UFO Fingertip Flying Spinner is rechargeable, If you run out of power, You can recharge It and you are good to go..