NASA Artemis Space Launch System Rocket (42221-1)
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Set details
Name: NASA Artemis Space Launch System RocketSet number: 42221-1
Year: 2026
Theme: Technic
Number of parts: 632
Number of part types: 157
Age rating: 9+
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.
Browse all 632 parts in set 42221-1 with individual pricing from BrickLink or Brick Owl.
Pricing information known of 148/157 parts.
Missing pricing information on the following items.
| Part | Color | Quantity | |
|---|---|---|---|
![]() | Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface ![]() | ||
![]() | Technic Beam 1 x 7 Thick ![]() | ||
![]() | Technic Beam 1 x 9 Thin with 3 Holes ![]() | ||
![]() | Cylinder Half 2 x 4 x 2 with 1 x 2 Cutout ![]() | ||
![]() | Cone 2 x 2 x 2, Open Stud with Black Dots print ![]() | ||
![]() | Technic Connector 1 x 5 with Worm Gear Hole ![]() | ||
![]() | Sticker Sheet for Set 42221-1 ![]() | ||
![]() | Cone 4 x 4 x 2 Hollow No Studs ![]() | ||
![]() | Technic Brick 1 x 2 with Hole and Dual Beam Extensions ![]() | ||
Compare the value of buying NASA Artemis Space Launch System Rocket as a complete set versus the total value of all parts individually.
BrickLink ![]() | |||||
| Condition | Timespan | Avg price | Items sold | Inventory value | Ratio |
| New | 6 months | ? | ? | ? | |
| Used | 6 months | ? | ? | ? | |
Brick Owl ![]() | ||||
| Condition | Timespan | Avg price | Inventory value | Ratio |
| New | Current | 2.58 | ||
| 6 months | ? | ? | ||
| 1 year | ? | ? | ||
| Used | Current | ? | ? | |
- 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
Find the cheapest offers for set 42221-1 from sellers on secondary marketplaces like Brick Owl and eBay.
| Item | Price | |
|---|---|---|






![Image of part Technic Beam 2 x 3 Thick [90° Offset Centre Beam Hole]](https://cdn.rebrickable.com/media/parts/elements/6475314.jpg)









![Image of part Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Square Holes]](https://cdn.rebrickable.com/media/parts/elements/6282140.jpg)




![Image of part Technic Pin Connector 3L with 2 Pins and Center Hole [Pin Ridges Across Part]](https://cdn.rebrickable.com/media/parts/elements/6563616.jpg)


















![Image of part Chain 16L [21 Links]](https://cdn.rebrickable.com/media/parts/elements/4516456.jpg)

![Image of part Technic Gear 16 Tooth Reinforced [New Style]](https://cdn.rebrickable.com/media/parts/elements/4640536.jpg)


![Image of part Technic Gear 20 Tooth with Axle Hole [+ Opening]](https://cdn.rebrickable.com/media/parts/elements/6396480.jpg)





![Image of part Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Square Holes]](https://cdn.rebrickable.com/media/parts/elements/6282145.jpg)






![Image of part Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes]](https://cdn.rebrickable.com/media/parts/elements/6321303.jpg)

![Image of part Technic Universal Joint 3L [Complete Assembly]](https://cdn.rebrickable.com/media/parts/elements/4525904.jpg)


![Image of part Technic Axle and Pin Connector Perpendicular Double Split [Reinforced]](https://cdn.rebrickable.com/media/parts/elements/6349281.jpg)
![Image of part Technic Pin Connector Round 1L [Beam]](https://cdn.rebrickable.com/media/parts/elements/6302741.jpg)




![Image of part Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole]](https://cdn.rebrickable.com/media/parts/elements/6347790.jpg)


















![Image of part Technic Axle Connector Smooth [with x Hole + Orientation]](https://cdn.rebrickable.com/media/parts/elements/4512363.jpg)
![Image of part Technic Pin Connector Round 1L [Beam]](https://cdn.rebrickable.com/media/parts/elements/6121485.jpg)

![Image of part Technic Axle Connector with Axle Hole [Reinforced]](https://cdn.rebrickable.com/media/parts/elements/6380612.jpg)


![Image of part Technic Beam Triangle Thin [Type II]](https://cdn.rebrickable.com/media/parts/elements/6010862.jpg)


![Image of part Technic Pin Connector Round [Slotted]](https://cdn.rebrickable.com/media/parts/elements/4526984.jpg)









![Image of part Technic Axle Connector Smooth [with x Hole + Orientation]](https://cdn.rebrickable.com/media/parts/elements/4531751.jpg)




![Image of part Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/474001.jpg)

![Image of part Technic Axle Connector with Axle Hole [Reinforced]](https://cdn.rebrickable.com/media/parts/elements/6331716.jpg)









![Image of part Technic Pin Connector Round [Slotted]](https://cdn.rebrickable.com/media/parts/elements/4526982.jpg)













![Image of part Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls]](https://cdn.rebrickable.com/media/parts/elements/6273212.jpg)





![Image of part Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/474026.jpg)


![Image of part Technic Axle 5.5 with Stop [Rounded Short End]](https://cdn.rebrickable.com/media/parts/elements/4508553.jpg)

![Image of part Cone 1 x 1 [Top Groove]](https://cdn.rebrickable.com/media/parts/elements/4518400.jpg)








