UGEARS Airplane Model 3D Puzzles Legendary 1930s Racing Mad Hornet with Wind Up Helical Spring Motor Wooden Plane Kits for Adults to Build Aircraft

Authentic 1930s Gee Bee R-1 Racing Aircraft: Build a 10.4" vintage racer 3D puzzles adult inspired by the Thompson Trophy winner featuring teardrop fuselage, aft cockpit and Golden Age of Flight Dual-Mode Flight Operations: Wooden models to build adults experience realistic pre-flight check mode with spinning propeller, moving wing flaps and tail rudder wiggling for 2.5-meter runway travel Precision Helical Spring Motor System: Master watch-mechanism of model plane kit inspired engineering with 21-pull winding string operation, gear transmission systems and rotating drum mode selector Medium-Level 8-Hour Assembly Challenge: Conquer 3D model kits for adults 354-piece project featuring complex mechanical systems, sequential automation and authentic aircraft engineering principles Perfect Model Aircraft Kits Gift: Ideal present for aircraft lovers, air racing fans, Jimmy Doolittle admirers or anyone fascinated by 1930s aviation history for Birthday, Christmas, Fathers Day, Manufacturer: UGEARS