Discover five different building site vehicles in this series of interactive board books with easy-to-use moving parts-a concrete mixer, a dump truck, an excavator, a bulldozer, and a front loader.Learn vehicle vocabulary with simple first words, clear diagrams, and helpful text prompts to encourage discussion. Then, drive 5 types of transportation around 5 tracks with a moving slider. The perfect book for children who love diggers and dump trucks-and being in the driver's seat! Other titles in the series include: Cars