TECHCARD, Power-it Kit, Set of, 30 models

Understand and control forces through an exciting set of air powered models. Explore how forces can be controlled to carry out useful work. At the same time, discover how air, though invisible, is actually a substance that takes up space and can be used to transmit force.

The 10 core models include: Windmill, Air Turbine Car, Scissor Lift, Pneumatic Hoist, Pneumatic Tipper Truck, Air Turbine, Land Yacht, Air Powered Fairground Ride, Pneumatic Robot Arm, Balloon Powered Racer.