Machines (Lift and Learn) : Every page of this delightful discovery series contains a colorful array of images and photographs. But there's more than meets the eye. Lift the tabs on each page and you'll reveal key information, from vocabulary and photographs to names and trivia answers! The Mighty Machines are building a road. Join the team as they work together in this fun Lift-and-Learn book. Lift the flaps to discover how the job gets done.