UGEARS UG70225 - Mini HelicopterLet your imagination soar to the sky!Specs:Part Number: UG70225EAN: 4820184121935Number of components: 167Estimated time of assembly: 3 hoursLevel: EasyModel size: 9.9*4.5*11.6 in (25.2*11.5*29.5 cm)Package size: 7.4*6.7*1.4 in (18.7*17*3.5 cm) In 1489 the greatest polymath the world has ever known sketched a design for anaerial screw" or helical rotor. Da Vinci's dream of mechanical flight was not only the earliest conception of a helicopter, but gave birth to the entire field of aeronautics. The world would have to wait until the early 20th Century before the first machines capable of lifting off the ground were invented, paving the way to today's helicoptersaircraft capable of vertical take-off and landing, hovering in the air, and forward, backward, and lateral flight.The Ugears Mini Helicopter is the first helicopter model in our Smart collection, joining the Mini Biplane, Mad Hornet, Steampunk Airship and Aviator (with interchangeable airplane a