Hit It History of Tools. Find out how tools have helped people hunt, build, and make life easier in this engaging nonfiction reader. With colorful images, timelines, charts, a glossary to assist with vocabulary improvement, and an index, children will learn how tools throughout time have made such an important impact on life as we know it Featured eras include the Stone Age and the Industrial Revolution. This 6-Pack includes six copies of this title and a lesson plan.