"A hands-on approach introduces young scientists to pulleys. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curriculum is explained through historical and contemporary examples of pulleys. Step-by-step projects range from the simple to the more challenging."-- Provided by publisher.

What is a pulley? -- How pulleys work -- A simple pulley -- Compound pulleys -- A compound pulley system -- Pulleys in history -- Pulley belts -- Making a pulley belt -- Pulleys in complex machines -- Facts and fun.