Become a LEGO Insider! Discover a world of member-only rewards and exciting experiencesBecome a member Construction site for toddlers A feature-packed set that’s packed with play starters to give preschoolers hours of building fun. Play Packed with build-and-play possibilities This all-action set comes with a bulldozer, cement mixer and a crane that swivels for busy building-site play. Construction Site Building self-expression Comes with 3 figures to act out fun stories. Fun elements spark creativity There’s a pizza for the team when the work is done. Spinning tales The cement mixer’s drum rotates. Fun functions to explore The crane grabs the boulder and drops it down the chute. Stimulating the senses Mixer has flashing lights and 3 sirens (batteries included). Uplifting play The drivable bulldozer’s bucket lifts up and down. Toys to develop fine motor skills With their easy-to-handle, brightly colored bricks, LEGO DUPLO sets lay the foundation for strong building skills.