Teacher"s Guide aids with an overview and study of Mechanisms from basic to complex. Areas of study include Levers and Linkages, Pulleys and Sprockets, Gears, Cams & Ratchets, Crank/Slider & Screw, Couplings & Shafts, Friction, Lubrication, Bearings, Steering, and Complex Mechanisms. There are also workbooks (ISBN 0050033883) and text books (ISBN 0050033867) available for this study.