Provides explanations of the workings of basic machines, including levers, block and tackle, the screw, gears, and others; and includes diagrams, drawings, and cross-sections.
Presents color-illustrated instructions for making five toy and game gadgets, including flashing jewelry, a spy camera, a box and sunglasses that light up, and a "Buzz Off" game.
Presents a short study of various forms of energy through a study of some of history's wackiest machines such as the steam-powered car, the rocket pack, ornthopter, and others.