Big wheels keep on rolling! Watch as Big Boy the cement truck mixes it up, while Flying J the fuel tanker keeps all those engines at the truck stop purring along. This hit DVD series just keeps on trucking, shining it's headlights on trucks building roads, sidewalks and skyscrapers. You'll see how a truck is built in the assembly plant, and you'll even see a truck that transforms itself into an amusement ride! So head out on the highway and get ready to rumble; the Mighty Machines are ready to rock and roll!