Kids may not realize how important simple machines are, but this series highlights their value in our daily lives. From levers to wheels, simple technology is a real-world application of science at work. Each volume introduces readers to the different kinds of simple machines and their parts, using real-world settings and situations to drive the subject home. Eye-catching illustrations add a sense of fun and whimsy to this essential science topic, making it a perfect addition to early science curricula. Readers will come away with a deep understanding of simple technology and its uses in their lives.