NASA Artemis Space Launch System Rocket

42221-1 Technic 2026 632 parts 9.6% Intermediate

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.

42221-1

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Parts Inventory

🧱 632 parts

Showing the first 12 rows of the parts list (632 pieces in total). The full list loads automatically.

PartQty
1×View
2×
€0,29
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12×
€0,29
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4×
€0,25
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1×
€3,00
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1×
€1,13
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4×
€0,11
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6×
€0,07
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8×
€0,08
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3×
€0,05
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6×
€0,05
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2×
€0,42
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Catalog rarity

How common are the parts in NASA Artemis Space Launch System Rocket?

9.6%Moderate rarity
more commonless common

15 of 157 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

6.5%

All sets

6.7%

Least common in our catalog

Sticker Sheet for Set 42221-1 · Unknown · only this set in our catalogTechnic Panel Curved 7 x 3 · Dark Orange · only this set in our catalogCylinder Half 2 x 4 x 2 · Dark Orange · only this set in our catalog
How we calculate this →

Build DNA

Parts inventory insights for NASA Artemis Space Launch System Rocket

632 pieces puts this build -3% against the average Technic set and -15% against the average 2026 release.

LEGO Technic

Vs average Technic set

-3%-19 parts
This set632
Average set651

Average Technic set: 651 pieces across 454 other sets.

Vs average 2026 set

-15%-113 parts
This set632
Average set745

Average 2026 set: 745 pieces across 517 other sets.

Color profile

20different colors

Dominant color

Black

Black256x
41%
Blue89x
14%
White76x
12%
Light Bluish Gray48x
8%

Unique parts

4.9 pieces per unique type

130

Repeat factor

Average pieces per unique type.

5x

Most used part

Technic Pin with Friction Ridges Lengthwise with No Center Slots

Technic Pin with Friction Ridges Lengthwise with No Center Slots91x

Results are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.

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