The above 4 channel infra red controlled flying saucer, has four gyroscopically controlled motors, for stability. this is a very easy to fly UFO flying saucer. See listing link for more details! Flight control is similar to Silverlit X-UFO or the Walkera UFO 4, yet the size of the above is only 19 X 18.5 X 5cm The mechanics are similar to The Jump jet distributed by snelflight UK