How Machines Work: The Interactive Guide
How Machines Work: The Interactive Guide to Simple Machines and Mechanisms By Nick Arnold -Hardcover
Every child in school learns about simple and common machines such as inclined planes and pulleys, but rarely do they have the opportunity to build the machines themselves. In this colorful, interactive book and kit, the principles for 12 basic machines are described, supplemented by descriptions of everyday usefulness, timelines detailing their history, and instructions to build each machine solely with materials included in the kit.
Product Dimensions: 10.6 x 9.1 x 1.3 inches
Shipping Weight: 1.6 pounds
Manufacturer recommended age: ages 6 and up