NASA Artemis Space Launch System Rocket (Pre-Built)

Pre-built set, sold as-is. May be missing parts, be a partial set, or have color-swapped pieces. Please ask with any questions before purchasing. Sold as-is and cannot be returned or exchanged once sold.

Includes: instructions / booklet, complete with no known missing parts.

✓ Verified complete by Tulsa Bricks staff by DB on 9/8/26.

Launch a journey of discovery with this NASA Artemis Space Launch System Rocket model kit (42221) for boys, girls and kids ages 9 plus. The educational LEGO® Technic™ set shows the moment a rocket launches, in 3 distinct stages. Turn the crank to see the solid rocket boosters separate from the core stage, which then also detaches. Continue turning to watch the upper stage with its engine module, Orion spacecraft and launch abort system separate. This rocket building kit has been developed in collaboration with NASA and ESA, and lets kids explore the space launch system that will launch the Orion spacecraft into lunar orbit. It includes 4 astronaut nanofigures, fun blue flame details, plus an information panel to create an eye-catching display. This LEGO Technic building set makes a fun gift for space enthusiasts. Kids can build with confidence using the LEGO Builder app, which lets them zoom, rotate in 3D and track progress with easy-to-follow digital instructions. Set contains 632 pieces.

• BUILD A SPACE LAUNCH SYSTEM – Capture the moment a rocket launches into space with this LEGO® Technic™ NASA Artemis Space Launch System Rocket set (42221) for boys, girls and kids ages 9 and up
• RECREATE THE SEPARATION PROCESS – This educationalmodel rocket kit shows how a rocket separates upon launch as kids turn the hand crank to see the launch happen in 3 distinct stages
• IN COLLABORATION WITH NASA – This rocket building kit has been developed with NASA and ESA and lets kids explore the system that will be used to launch the Orion spacecraft into lunar orbit
• 4 ASTRONAUT NANOFIGURES – This LEGO® Technic™ space set includes 4 astronaut nanofigures, plus an information panel, creating an eye-catching display that kids can explore time after time
• GIFT IDEA – This LEGO® Technic™ building set makes a fun gift for boys, girls and space enthusiasts ages 9 years old and up who would love to build a model to show the stages of a rocket launch
• DISCOVER MORE SETS – Explore more action-packed play with the range of LEGO® Technic™ sets (sold separately), which feature realistic movement and mechanisms to inspire young builders
• A FUN WAY TO BUILD – The LEGO® Builder app guides kids on an intuitive building adventure where they can save sets, track progress and zoom in and rotate models using 3D instructions as they build
• DIMENSIONS – A 632-piece set with a model measuring over 27.5 in. (70 cm) high, 6.5 in. (16 cm) long and 3 in. (8 cm) wide when the rocket is on top

• Set number: 42221-1
• Theme: Technic · Licensed
• Pieces: 632
• Year released: 2026
• Age: 9+

View on Brickset