Large, pop-up vehicles on every page have lift-the-flaps and moving gears so readers can look inside to see all the parts that make these speed machines work. The final spread is a pop-up train with real working gears covered by an acetate window. Full color.Large, pop-up vehicles on every page have lift-the-flaps and moving gears so readers can look inside to see all the parts that make these speed machines work. The final spread is a pop-up train with real working gears covered by an acetate window. Full color.