• Mars Rover toy for boys and girls aged 11+ – The LEGO® Technic™ Mars Crew Exploration Rover space toy for kids is packed with realistic features so young explorers can learn through play • A space toy filled with features – This space building toy includes an expanding truck bed, suspension, a moving crane, elevator, generator, beacons, companion rover, living quarters and cockpit • Rover expands and retracts – The model reflects how rovers adapt from being compact for transportation to expanding when they carry cargo after landing • Scientific accessories – This space exploration playset toy features accessories modeled on those used by astronauts, including scientific equipment and gas canisters • Space gift for kids who love NASA-inspired toys – This set makes a creative gift for boys and girls aged 11 plus who love fun space toys • Air lock connects to other models – This set has a special space air-lock element so kids can connect other compatible space-themed LEGO® playsets (sold separately) for more adventures • A fun way to build – The LEGO® Builder app guides kids on an intuitive building adventure, letting them save sets, track progress, zoom in and rotate models in 3D while they build • Measurements – This 1,599-piece setfeatures a buildable model measuring over 9 in. (23 cm) high, 17 in. (44 cm) long and 8 in. (21 cm) wide, when expanded