NASA Artemis Space Launch System Rocket
42221-1
Released: 2026 · Parts: 632 · Theme: Technic
NASA Artemis Space Launch System Rocket (42221-1) is a Technic LEGO set released in 2026 with 632 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Technic sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 157 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
2026
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Catalog scale
632 parts listed · 157 inventory lines tracked
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Minifigures
No minifigs in inventory (brick-only or Technic set)
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Build manual
Digital booklet available on this page — use it to verify bag contents
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Build complexity
Large set — expect sticker sheets or multiple subassemblies; inspect photos closely
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Shipping weight (est.)
~1,254 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
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Market value
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Building instructions
Official LEGO instructions — read on BrickID
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Parts in this set
157 parts · page 1 of 4 · updating…
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Bar 2L with Stop in Center78258 · ×1 · Sand Green -
Bar 3L87994 · ×2 · Bright Green -
Bar 6L with Stop Ring63965 · ×1 · White -
Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end25214 · ×4 · Black -
Brick Round 1 x 1 Open Stud3062b · ×2 · White -
Brick Round 1 x 1 with Fins, Open Stud4588 · ×1 · White -
Brick Round 2 x 2 with Axle Hole3941 · ×12 · White -
Brick Round 2 x 2 x 3 D. Tube with Axle Holes (Crossholes) at Each End, Pin Holes In Sides7654 · ×6 · White -
Brick Round 3 x 3 x 2 Recessed Center with 2 x 2 Studs and Axle Hole73111 · ×1 · White -
Brick Round, Half 1 x 268013 · ×1 · White -
![Chain 16L [21 Links]](https://cdn.rebrickable.com/media/parts/elements/4516456.jpg)
Chain 16L [21 Links]60169 · ×1 · Dark Bluish Gray -
![Cone 1 x 1 [Top Groove]](https://cdn.rebrickable.com/media/parts/elements/4518400.jpg)
Cone 1 x 1 [Top Groove]59900 · ×1 · White -
Cone 2 x 2 x 2 Inverted49309 · ×1 · Black -
Cone 2 x 2 x 2, Open Stud3942c · ×2 · Black -
Cone 2 x 2 x 2, Open Stud3942c · ×1 · White -
Cone 2 x 2 x 2, Open Stud with Black Dots print3942cpr0005 · ×2 · White -
Cone 3 x 3 x 26233 · ×3 · White -
Cone 4 x 4 x 2 Hollow No Studs4742 · ×1 · Dark Orange -
Cylinder Half 2 x 4 x 2 with 1 x 2 Cutout24593 · ×2 · Dark Orange -
![Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/474026.jpg)
Dish 2 x 2 Inverted [Radar]4740 · ×1 · Black -
![Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/474001.jpg)
Dish 2 x 2 Inverted [Radar]4740 · ×2 · White -
Minifig Trophy Statuette with Astronaut print90398pr0007 · ×4 · White -
Plate 1 x 23023 · ×1 · Black -
Plate 2 x 23022 · ×1 · White -
Plate Round 1 x 1 with Open Stud85861 · ×1 · White -
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)4032a · ×2 · Dark Bluish Gray -
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)4032a · ×16 · Black -
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)4032a · ×12 · White -
Plate Round 4 x 4 with Pin Hole60474 · ×1 · White -
Plate Special 1 x 4 Rounded with 2 Open Studs77845 · ×3 · Black -
Sticker Sheet for Set 42221-110115267 · ×1 · [No Color/Any Color] -
String with End Studs 31L Overall14226c31 · ×1 · Black -
Technic Axle 123708 · ×4 · Black -
Technic Axle 2 Notched32062 · ×9 · Red -
Technic Axle 34519 · ×14 · Yellow -
Technic Axle 3 with Stop24316 · ×4 · Reddish Brown -
Technic Axle 3 with Stud6587 · ×2 · Dark Tan -
Technic Axle 3250450 · ×2 · Black -
Technic Axle 43705 · ×2 · Red -
Technic Axle 4 with Centre Stop99008 · ×3 · Tan -
Technic Axle 4 with Stop87083 · ×9 · Dark Bluish Gray -
Technic Axle 532073 · ×2 · Light Bluish Gray -
Technic Axle 5 with Stop15462 · ×4 · Reddish Brown -
![Technic Axle 5.5 with Stop [Rounded Short End]](https://cdn.rebrickable.com/media/parts/elements/4508553.jpg)
Technic Axle 5.5 with Stop [Rounded Short End]59426 · ×2 · Dark Bluish Gray -
Technic Axle 63706 · ×4 · Red -
Technic Axle 744294 · ×2 · Yellow -
Technic Axle and Pin Connector Angled #132013 · ×2 · Light Bluish Gray -
Technic Axle and Pin Connector Angled #132013 · ×8 · Blue