# LEGO 42221-1 — NASA Artemis Space Launch System Rocket (2026)

Source: https://www.brickmissing.com/sets/42221-1-nasa-artemis-space-launch-system-rocket
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

Witness the intricate mechanics of space exploration with the LEGO Technic NASA Artemis Space Launch System Rocket (42221-1). This detailed model, developed in collaboration with NASA and ESA, meticulously recreates the Artemis mission's multi-stage launch sequence. Activate the innovative crank mechanism to observe the solid rocket boosters separating from the core stage, followed by the detachment of the core stage itself. Continue the sequence to see the upper stage, complete with its engine module, the Orion spacecraft, and the launch abort system, separate for lunar orbit insertion. Four astronaut nanofigures accompany the rocket, which stands ready for display with captivating blue flame details and an informative panel. This set offers an authentic representation of a modern space launch.

## Set facts

- Set number: 42221-1
- Name: NASA Artemis Space Launch System Rocket
- Theme: Technic › Licensed
- Released: 2026
- Pieces: 632
- Distinct part + colour lots: 157
- LEGO retail price: € 59,99
- Build difficulty: intermediate
- Repairability: 9.6% of this set's lots are hard to replace (15 of 157 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (157 lots, 632 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 1 | Sticker Sheet for Set 42221-1 | Unknown | 10115267 | 6580513 | — |
| 2 | Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle | Red | 11214 | 6209519 | €0,29 |
| 12 | Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle | Dark Bluish Gray | 11214 | 6015356 | €0,29 |
| 4 | Technic Beam 1 x 5 Thin with Axle Holes on Ends | Black | 11478 | 6327028 | €0,25 |
| 1 | String with End Studs 31L Overall | Black | 14226c31 | 6096956 | €3,00 |
| 1 | Technic Panel 3 x 11 x 1 | Black | 15458 | 6080356 | €1,13 |
| 4 | Technic Axle 5 with Stop | Reddish Brown | 15462 | 6159763 | €0,11 |
| 6 | Tile Round 2 x 2 with Hole | White | 15535 | 6310185 | €0,07 |
| 8 | Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle | Black | 18651 | 6089119 | €0,08 |
| 3 | Technic Pin Connector Round 1L [Beam] | Black | 18654 | 6121485 | €0,05 |
| 6 | Technic Pin Connector Round 1L [Beam] | Lime | 18654 | 6302741 | €0,05 |
| 2 | Technic Gear 16 Tooth with Clutch on Both Sides | Red | 18946 | 6100930 | €0,42 |
| 1 | Technic Pin Connector Hub with 1 Axle | White | 22961 | 6179606 | €0,13 |
| 1 | Technic Panel Fairing #7 3L Very Small Smooth, Side A | Black | 2387 | 6510991 | €0,42 |
| 1 | Technic Panel Fairing #8 3L Very Small Smooth, Side B | Black | 2389 | 6513874 | €0,42 |
| 3 | Technic Beam 1 x 7 Thick with Alternating Holes | Yellow | 2391 | 6546803 | €0,38 |
| 2 | Technic Beam 1 x 7 Thick with Alternating Holes | Black | 2391 | 6435016 | €0,38 |
| 2 | Technic Pin Connector Hub Perpendicular 3L with 2 Pins | Light Bluish Gray | 2393 | 6408168 | €0,29 |
| 2 | Technic Panel Curved and Bent 6 x 3 | Black | 24116 | 6268012 | €0,71 |
| 2 | Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface | White | 24119 | 6246996 | €0,63 |
| 6 | Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface | Dark Orange | 24119 | 6588041 | — |
| 4 | Technic Axle 3 with Stop | Reddish Brown | 24316 | 6135494 | €0,07 |
| 2 | Cylinder Half 2 x 4 x 2 with 1 x 2 Cutout | Dark Orange | 24593 | 6588053 | — |
| 4 | Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end | Black | 25214 | 6179182 | €0,23 |
| 3 | Technic Pin Connector Hub with 2 Axles | White | 27940 | 6257450 | €0,17 |
| 1 | Plate 2 x 2 | White | 3022 | 302201 | €0,10 |
| 1 | Plate 1 x 2 | Black | 3023 | 302326 | €0,08 |
| 2 | Brick Round 1 x 1 Open Stud | White | 3062b | 306201 | €0,06 |
| 4 | Technic Beam 2 x 3 Thick [90° Offset Centre Beam Hole] | Dark Bluish Gray | 3167 | 6475314 | €0,56 |
| 4 | Technic Pin 3/4 | Tan | 32002 | 6013938 | €0,08 |
| 2 | Technic Axle and Pin Connector Angled #1 | Light Bluish Gray | 32013 | 6296859 | €0,08 |
| 8 | Technic Axle and Pin Connector Angled #1 | Black | 32013 | 6332570 | €0,08 |
| 1 | Technic Beam 1 x 5 Thin | Yellow | 32017 | 4503425 | €0,15 |
| 2 | Technic Axle and Pin Connector Angled #2 - 180° | Black | 32034 | 6484676 | €0,11 |
| 1 | Technic Axle and Pin Connector Angled #2 - 180° | Black | 32034 | 6271869 | €0,11 |
| 9 | Technic Axle 2 Notched | Red | 32062 | 4142865 | €0,07 |
| 2 | Technic Axle 5 | Light Bluish Gray | 32073 | 4211639 | €0,11 |
| 1 | Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced | Yellow | 32123b | 6271167 | €0,04 |
| 3 | Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced | Light Bluish Gray | 32123b | 6271165 | €0,04 |
| 15 | Technic Beam 2 x 4 L-Shape Thick | Black | 32140 | 6271825 | €0,15 |
| 2 | Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole | Yellow | 32184 | 6276974 | €0,12 |
| 1 | Technic Gear 20 Tooth Bevel | Tan | 32198 | 6031962 | €0,56 |
| 2 | Technic Beam 1 x 9 Bent (7 - 3) Thick | Light Bluish Gray | 32271 | 6276836 | €0,33 |
| 6 | Technic Beam 1 x 15 Thick | Black | 32278 | 4542573 | €0,42 |
| 13 | Technic Beam 1 x 5 Thick | Black | 32316 | 4142135 | €0,19 |
| 2 | Technic Beam 1 x 5 Thick | Light Bluish Gray | 32316 | 4211651 | €0,19 |
| 2 | Technic Beam 1 x 4 Thin | Black | 32449 | 6327548 | €0,19 |
| 4 | Technic Beam 1 x 3 Thick | Black | 32523 | 4142822 | €0,10 |
| 2 | Technic Beam 1 x 3 Thick | Black | 32523 | 4509376 | €0,10 |
| 1 | Technic Beam 1 x 3 Thick | White | 32523 | 4208160 | €0,10 |
| 1 | Technic Beam 1 x 3 Thick | Dark Bluish Gray | 32523 | 4210751 | €0,10 |
| 3 | Technic Beam 1 x 7 Thick | Dark Orange | 32524 | 6588057 | — |
| 1 | Technic Beam 1 x 7 Thick | Lime | 32524 | 6308236 | €0,25 |
| 9 | Technic Beam 1 x 7 Thick | Black | 32524 | 4495935 | €0,25 |
| 1 | Technic Beam 1 x 7 Thick | White | 32524 | 4495927 | €0,25 |
| 2 | Technic Axle 4 | Red | 3705 | 6129995 | €0,08 |
| 4 | Technic Axle 6 | Red | 3706 | 6130002 | €0,12 |
| 4 | Technic Axle 12 | Black | 3708 | 370826 | €0,27 |
| 3 | Technic Bush | Light Bluish Gray | 3713 | 6275844 | €0,05 |
| 4 | Technic Bush | Black | 3713 | 6332148 | €0,05 |
| 3 | Technic Axle Pin without Friction Ridges Lengthwise | Tan | 3749 | 4666579 | €0,06 |
| 1 | Wave / Flame Small with Pin | Trans-Light Blue | 37775 | 6357780 | €0,10 |
| 12 | Brick Round 2 x 2 with Axle Hole | White | 3941 | 614301 | €0,11 |
| 2 | Cone 2 x 2 x 2, Open Stud | Black | 3942c | 6092664 | €0,22 |
| 1 | Cone 2 x 2 x 2, Open Stud | White | 3942c | 6044601 | €0,22 |
| 2 | Cone 2 x 2 x 2, Open Stud with Black Dots print | White | 3942cpr0005 | 6582841 | — |
| 1 | Technic Connector Beam 3 x 3 | Yellow | 39793 | 6252654 | €0,38 |
| 3 | Technic Beam Frame 7 x 11 | Black | 39794 | 6265643 | €1,59 |
| 6 | Technic Pin Long without Friction Ridges, with Anti-Roll Notch | Tan | 39888 | 6321305 | €0,08 |
| 12 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | White | 4032a | 403201 | €0,06 |
| 16 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Black | 4032a | 403226 | €0,06 |
| 2 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Dark Bluish Gray | 4032a | 4211042 | €0,06 |
| 2 | Technic Beam 1 x 9 Thick | Light Bluish Gray | 40490 | 6102449 | €0,29 |
| 1 | Technic Beam 1 x 13 Thick | Light Bluish Gray | 41239 | 4522934 | €0,39 |
| 2 | Technic Beam 1 x 2 Thin | Black | 41677 | 6360123 | €0,13 |
| 2 | Technic Beam 1 x 2 Thin | Black | 41677 | 6338428 | €0,13 |
| 1 | Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes | Lime | 42003 | 6273728 | €0,12 |
| 1 | Technic Axle Connector with Axle Hole [Reinforced] | Black | 42135 | 6380612 | €0,27 |
| 2 | Technic Axle Connector with Axle Hole [Reinforced] | Black | 42135 | 6331716 | €0,27 |
| 1 | Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] | Light Bluish Gray | 42195 | 6273212 | €0,13 |
| 3 | Technic Pin 1/2 | White | 4274 | 6388018 | €0,05 |
| 51 | Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot | Black | 42924 | 6299413 | €0,10 |
| 13 | Technic Axle Pin with Friction Ridges Lengthwise | Black | 43093 | 4206482 | €0,06 |
| 2 | Technic Axle 7 | Yellow | 44294 | 6130009 | €0,16 |
| 5 | Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes] | Light Bluish Gray | 44874 | 6321303 | €0,18 |
| 14 | Technic Axle 3 | Yellow | 4519 | 6130007 | €0,05 |
| 2 | Technic Beam 1 x 9 Thin with 3 Holes | Black | 4586 | 6588040 | — |
| 1 | Brick Round 1 x 1 with Fins, Open Stud | White | 4588 | 6331225 | €0,16 |
| 2 | Technic Pin Connector 3L with 2 Pins and Center Hole [Pin Ridges Across Part] | Black | 46189 | 6563616 | €0,35 |
| 2 | Dish 2 x 2 Inverted [Radar] | White | 4740 | 474001 | €0,05 |
| 1 | Dish 2 x 2 Inverted [Radar] | Black | 4740 | 474026 | €0,05 |
| 1 | Cone 4 x 4 x 2 Hollow No Studs | Dark Orange | 4742 | 6588058 | — |
| 3 | Technic Pin Connector Hub Perpendicular 3 x 3 Bent with 4 Pins (Pin Ridges Along Part) | Light Bluish Gray | 49130 | 6313453 | €0,35 |
| 1 | Wire Clip with Axle Hole | Light Bluish Gray | 49283 | 6471951 | €0,29 |
| 1 | Cone 2 x 2 x 2 Inverted | Black | 49309 | 6524895 | €0,27 |
| 2 | Technic Axle 32 | Black | 50450 | 6210821 | €2,01 |
| 1 | Technic Steering / CV Ball Joint Female 4L | Dark Bluish Gray | 52730 | 6261793 | €0,44 |
| 2 | Technic Ball Joint with Through Axle Hole | Black | 53585 | 4286267 | €0,13 |
| 1 | Technic Panel Curved 3 x 9 | Black | 5427 | 6470746 | €1,29 |
| 2 | Technic Axle 5.5 with Stop [Rounded Short End] | Dark Bluish Gray | 59426 | 4508553 | €0,11 |
| 4 | Technic Axle Connector Smooth [with x Hole + Orientation] | Black | 59443 | 4512363 | €0,06 |
| 3 | Technic Axle Connector Smooth [with x Hole + Orientation] | Reddish Brown | 59443 | 4531751 | €0,06 |
| 1 | Cone 1 x 1 [Top Groove] | White | 59900 | 4518400 | €0,05 |
| 1 | Chain 16L [21 Links] | Dark Bluish Gray | 60169 | 6258887 | €0,69 |
| 1 | Plate Round 4 x 4 with Pin Hole | White | 60474 | 4515347 | €0,17 |
| 4 | Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole | Black | 60483 | 6265091 | €0,07 |
| 8 | Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole | Light Bluish Gray | 60483 | 6265089 | €0,07 |
| 1 | Technic Beam 3 x 3 T-Shape Thick | Red | 60484 | 6194079 | €0,18 |
| 4 | Wave / Flame Rounded with Base Rim | Trans-Orange | 6126b | 6167741 | €0,15 |
| 91 | Technic Pin with Friction Ridges Lengthwise with No Center Slots | Black | 61332 | 6279875 | €0,06 |
| 1 | Technic Beam 3 x 0.5 Liftarm with Boss and Blocked, Squared Pin Hole | Black | 61408 | 6313520 | €0,25 |
| 1 | Technic Universal Joint 3L [Complete Assembly] | Light Bluish Gray | 61903 | 6335279 | €0,74 |
| 3 | Cone 3 x 3 x 2 | White | 6233 | 6188466 | €0,64 |
| 2 | Technic Pin Connector Round [Slotted] | Red | 62462 | 6173126 | €0,06 |
| 1 | Technic Pin Connector Round [Slotted] | Black | 62462 | 6173119 | €0,06 |
| 3 | Technic Axle and Pin Connector Perpendicular Triple | White | 63869 | 6402213 | €0,23 |
| 1 | Bar 6L with Stop Ring | White | 63965 | 6170419 | €0,08 |
| 1 | Weapon Lightsaber Hilt with Bottom Ring | Bright Light Orange | 64567 | 6134252 | €0,05 |
| 9 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] | Orange | 65304 | 6347790 | €0,13 |
| 2 | Technic Axle and Pin Connector Perpendicular | White | 6536 | 6261372 | €0,10 |
| 15 | Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Square Holes] | Black | 65487 | 6282140 | €0,11 |
| 7 | Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Square Holes] | Black | 65487 | 6282145 | €0,11 |
| 2 | Technic Axle 3 with Stud | Dark Tan | 6587 | 6031821 | €0,10 |
| 1 | Technic Gear 12 Tooth Bevel | Tan | 6589 | 4565452 | €0,10 |
| 1 | Technic Beam 1 x 9 Thick with Alternating Holes | Light Bluish Gray | 6612 | 6508520 | €0,61 |
| 5 | Technic Beam 1 x 3 Thin | Black | 6632 | 6331723 | €0,25 |
| 3 | Technic Beam Frame 3 x 19 with 2 Center Cross Beams, 3 Openings Thick | Dark Bluish Gray | 67491 | 6396964 | €3,28 |
| 1 | Brick Round, Half 1 x 2 | White | 68013 | 6382983 | €0,17 |
| 1 | Wheel 41 x 15 | Dark Orange | 68327 | 6462460 | €1,15 |
| 1 | Technic Gear 12 Tooth with Axle Hole | Black | 69778 | 6396479 | €0,21 |
| 1 | Technic Gear 20 Tooth with Axle Hole [+ Opening] | Dark Azure | 69779 | 6396480 | €0,35 |
| 2 | Technic Axle and Pin Connector Perpendicular Double Split [Reinforced] | Black | 69819 | 6349281 | €0,46 |
| 2 | Technic Panel Fairing 2 x 3 x 1 | Black | 71682 | 6331026 | €0,47 |
| 2 | Technic Panel 3 x 7 x 1 | Black | 71709 | 6331935 | €0,80 |
| 1 | Brick Round 3 x 3 x 2 Recessed Center with 2 x 2 Studs and Axle Hole | White | 73111 | 6390507 | €0,45 |
| 2 | Technic Brick 1 x 1 with Axle Hole | Dark Bluish Gray | 73230 | 6362259 | €0,17 |
| 2 | Technic Beam 1 x 11 Thick with Alternating Holes | Black | 73507 | 6330585 | €0,65 |
| 4 | Technic Worm Gear 6M with Axle Hole | Light Bluish Gray | 73763 | 6417811 | €1,05 |
| 6 | Brick Round 2 x 2 x 3 D. Tube with Axle Holes (Crossholes) at Each End, Pin Holes In Sides | White | 7654 | 6563271 | — |
| 1 | Technic Connector 1 x 5 with Worm Gear Hole | White | 7660 | 6563323 | — |
| 1 | Technic Steering / CV Ball Joint, Cardan Ball with Cross Hole 3L | Light Bluish Gray | 77590 | 6338424 | €1,37 |
| 3 | Plate Special 1 x 4 Rounded with 2 Open Studs | Black | 77845 | 6428167 | €0,15 |
| 1 | Bar 2L with Stop in Center | Sand Green | 78258 | 6546184 | €0,10 |
| 2 | Technic Beam 2 x 5 L-Shape with Quarter Ellipse Thick | Black | 80286 | 6407066 | €0,29 |
| 1 | Plate Round 1 x 1 with Open Stud | White | 85861 | 6168642 | €0,04 |
| 1 | Technic Brick 1 x 2 with Hole and Dual Beam Extensions | White | 85943 | 6589318 | — |
| 9 | Technic Axle 4 with Stop | Dark Bluish Gray | 87083 | 6083620 | €0,07 |
| 1 | Technic Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes | Black | 87408 | 6278412 | €0,47 |
| 2 | Bar 3L | Bright Green | 87994 | 6161772 | €0,06 |
| 4 | Technic Pin 1/2 with Friction | Red | 89678 | 6378120 | €0,08 |
| 2 | Technic Pin 1/2 with Friction | Dark Bluish Gray | 89678 | 6395635 | €0,08 |
| 4 | Minifig Trophy Statuette with Astronaut print | White | 90398pr0007 | — | — |
| 4 | Technic Gear 16 Tooth Reinforced [New Style] | Light Bluish Gray | 94925 | 4640536 | €0,21 |
| 1 | Tile Round 1 x 1 | Red | 98138 | 6284574 | €0,04 |
| 1 | Tile Round 1 x 1 | Black | 98138 | 6284070 | €0,04 |
| 3 | Technic Axle 4 with Centre Stop | Tan | 99008 | 4666999 | €0,10 |
| 1 | Technic Beam Triangle Thin [Type II] | Dark Bluish Gray | 99773 | 6331431 | €0,31 |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/42221-1-nasa-artemis-space-launch-system-rocket
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/42221-1-nasa-artemis-space-launch-system-rocket