Mighty Machines: Excavators

Excavators are machines that help dig and move earth. There are different kinds of sizes of excavators. Bucket-wheel excavators are some of the biggest machines every built. Learn more about these machines in Excavators, an AV2 media enhanced book.
Excavators is part of the Let's Read collection of media enhanced books designed for children ages 5 to 7. These books were created to inspire beginning readers to become independent readers. Your AV2 book gives you access to enriched and enhanced content that includes audio, video, weblinks, quizzes, activities, and a slide show.