Revolving turbine, lights to imitate combustion, thrust control. Requires 4 x 1.5 Volt "C" Size Batteries (not included) Construct your own engine! Learn how a jet works by following the simple assembly instructions. Features include parts that move in sequence, sound and light effects.Contents: Base, stand, part wing assembly, engine, pylon and cell, fan , motor, lights, on/off switch, throttle control, centre shaft and engine fan blades