This Flight Test Lab includes all the parts - including a launcher to assemble your own flying helicopter, a police copter, a military chopper, and a rescue helicopter. You can also mix and match the parts to create your own designs. From fighting deadly forest fires to rescuing troops behind enemy lines, helicopters perform incredible feats. Master flight theory, stay on top of the latest technology, and discover how these mechanical marvels work. This kit is filled with illustrations, instructions and information on all types of helicopters and their importance uses. Learn the difference between pitch, torque and drag, how airfoils and the surface of the blade keeps helicopters in the air, and how Thomas Edison tried his hand at helicopter design but gave up after nearly blowing up his lab.