All aboard the construction site! This LEGO DUPLO 3-in-1 Construction Vehicles set puts little builders in charge of a busy workplace with three buildable machines. Create a bulldozer, excavator, and dump truck—or remix the bricks to invent your own mighty contraptions. Young engineers develop problem-solving skills and spatial reasoning while snapping together oversized, toddler-friendly pieces. Watch your child's confidence soar as they command the job site and bring their construction dreams to life!