Run it once - it's normal, the children like it. But there are not enough basic functions - you have to do it yourself on ArduPilot'e - it is more expensive, but there are more functions. Its pros: It still flies When it falls on the grass, even from a decent height, it manages to survive Instills a passion for flying Cons below: Sometimes it loses connection with the remote control, and continues to fly in an arbitrary direction. Confident communication distance of 10-20 meters. The battery is small (but you can buy twice as capacious) The camera shoots with a very low rate Can't handle even a little wind The 3d-flip declared in the documentation does not