Lift the flaps, pull the tabs, turn the wheels its motorized fun in a book! Children love large vehicles! Presented here in a sturdy book overflowing with both fun and solid information is one of childrens favorite heavy machinesa bulldozer. How much more fun children will find viewing a construction site, knowing how a bulldozer worksfrom shovel to gearshift and dipstick to wheels. Using the interactive features in these books, children will gain an immediate understanding of the inner workings of this massive machine.