Bbrrr! Slam! Kar-oom! What"s all that noise? It"s a building going up! Ready to excavate? Then come join the crews of workers as they construct a new office building from bottom to top. Brightly colored, profusely labeled cut-paper pictures introduce readers to the various parts of each fascinating machine, while the playful text explains all the action! The many stages of this big and important job will delight every child who has ever been mesmerized by a bulldozer, dump truck, excavator, cement mixer or crawler crane.