Mechanics Laboratory - Planes Helicopters

Discover the secrets of aerodynamics with Mechanics Lab - Aeroplanes and Helicopters! A scientific kit for discovering and experimenting with the mechanics of flight. With 10 models and 200 components to assemble, including: rods for assembling the nacelles, panels, propellers, cogs, pulleys and universal joints. The illustrated manual will show your child how to assemble the various models... for endless hours of fun