LEGO Technic Mars Crew Exploration Rover 42180 contains 1,599 pieces and builds a space vehicle that folds for transport and expands when its platform is deployed. It features suspension, a movable crane, lift, generator, beacons, cockpit and an auxiliary rover. The living module includes seats, shower, toilet, treadmill and refrigerator, plus sample and recycling containers and gas and water tanks. The crane can lift the robotic rover, tools and fuel reactor. Expanded, it measures approximately 23 cm high, 44 cm long and 21 cm wide.