This well designed retro style steampunk airship model makes a challenging but rewarding DIY project. It features an interlocking wind-up spring, displaying all of the precise internal structures and gears. Use the laser-cut wood parts to construct your own aircraft and enjoy watching the spinning propellers! No glue is required and step-by-step visual instructions are included. This relic of the industrial age should be the first choice for those who enjoy modeling and mechanics. Ages 14 and up.