Robotime-ROKR replica of retro airship model Rokr Air Vehicle LK702 is powered by wind-up spring. It has a steampunk outlook with a delicate wooden skeleton. Tease your mind by constructing gears and aircraft. Watch it rushing out with its spinning propellers! Kinetic mechanism: driven by wind-up spring and gear trains, rushing wheels and spinning propellersit will be a ton of fun to build and play with family. Retro-style outlook: it will be wonderful collection and decor for your home or office. Also a pleasent toy to play with kids or friends. Unique gift: a beautiful hands-on gift for any diy lovers or any occasion like christmas, holidays, birthday.