Readers will get to know different kinds of Caterpillar trucks and diggers, from the smallest to the biggest! Twelve of the most impressive machines are shown in order of size, with full-color photos and fascinating facts for each one. The book comes with an action-packed 30-minute DVD so children can watch their favorite machines at work, digging, hauling, and dumping.

30-minute DVD featuring giant trucks and diggers in action, with original machine-themed children's songs!