About FLYING SEAGULL DISPLAY engine: FA-130 Gears: Worm and spur Body and wings: Pre-painted Gracefully flapping its wings, the Flying Seagull Display makes a fantastic desk accessory while additionally showing the interrelationship involving the worm and spur gears. The clear pipe enables the observation associated with rod and wing flapping movements. The human body and wings come pre-painted. Assembly is simple, like the wiring procedure.