Back

NASA Artemis Space Launch System Rocket

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.

Details

Title
NASA Artemis Space Launch System Rocket
Number
# 42221
Parts
654
Released
2026
Theme
Build instructions
Complexity
5

Parts

There are 157 different parts with a total quantity of 632.

Standard parts (157 unique parts - Total quantity of 632)

Part num: 11478
4 x 11478
Part num: 14226c31
1 x 14226c31
Part num: 15458
1 x 15458
Part num: 18651
8 x 18651
Part num: 18654
3 x 18654
Part num: 2387
1 x 2387
Part num: 2389
1 x 2389
Part num: 2391
2 x 2391
Part num: 24116
2 x 24116
Part num: 25214
4 x 25214
Part num: 3023
1 x 3023
Part num: 32034
1 x 32034
Part num: 32140
15 x 32140
Part num: 32278
6 x 32278
Part num: 32316
13 x 32316
Part num: 32449
2 x 32449
Part num: 32523
4 x 32523
Part num: 32524
9 x 32524
Part num: 3708
4 x 3708
Part num: 3713
4 x 3713
Part num: 3942c
2 x 3942c
Part num: 4032a
16 x 4032a
Part num: 41677
2 x 41677
Part num: 42135
2 x 42135
Part num: 39794
3 x 39794
Part num: 4586
2 x 4586
Part num: 4740
1 x 4740
Part num: 49309
1 x 49309
Part num: 50450
2 x 50450
Part num: 53585
2 x 53585
Part num: 5427
1 x 5427
Part num: 59443
4 x 59443
Part num: 60483
4 x 60483
Part num: 61332
91 x 61332
Part num: 61408
1 x 61408
Part num: 62462
1 x 62462
Part num: 65487
15 x 65487
Part num: 6632
5 x 6632
Part num: 69819
2 x 69819
Part num: 71682
2 x 71682
Part num: 71709
2 x 71709
Part num: 73507
2 x 73507
Part num: 77845
3 x 77845
Part num: 80286
2 x 80286
Part num: 87408
1 x 87408
Part num: 98138
1 x 98138
Part num: 32013
8 x 32013
Part num: 32034
2 x 32034
Part num: 32523
2 x 32523
Part num: 41677
2 x 41677
Part num: 42135
1 x 42135
Part num: 42924
51 x 42924
Part num: 43093
13 x 43093
Part num: 46189
2 x 46189
Part num: 65487
7 x 65487
Part num: 69778
1 x 69778
Part num: 11214
2 x 11214
Part num: 18946
2 x 18946
Part num: 32062
9 x 32062
Part num: 3705
2 x 3705
Part num: 3706
4 x 3706
Part num: 60484
1 x 60484
Part num: 62462
2 x 62462
Part num: 89678
4 x 89678
Part num: 98138
1 x 98138
Part num: 87994
2 x 87994
Part num: 2391
3 x 2391
Part num: 32017
1 x 32017
Part num: 32123b
1 x 32123b
Part num: 32184
2 x 32184
Part num: 39793
1 x 39793
Part num: 44294
2 x 44294
Part num: 4519
14 x 4519
Part num: 15535
6 x 15535
Part num: 22961
1 x 22961
Part num: 24119
2 x 24119
Part num: 27940
3 x 27940
Part num: 3022
1 x 3022
Part num: 3062b
2 x 3062b
Part num: 32523
1 x 32523
Part num: 32524
1 x 32524
Part num: 3941
12 x 3941
Part num: 3942c
1 x 3942c
Part num: 4032a
12 x 4032a
Part num: 4274
3 x 4274
Part num: 4588
1 x 4588
Part num: 4740
2 x 4740
Part num: 59900
1 x 59900
Part num: 60474
1 x 60474
Part num: 6233
3 x 6233
Part num: 63869
3 x 63869
Part num: 63965
1 x 63965
Part num: 6536
2 x 6536
Part num: 68013
1 x 68013
Part num: 73111
1 x 73111
Part num: 85861
1 x 85861
Part num: 85943
1 x 85943
Part num: 3942cpr0005
2 x 3942cpr0005
Part num: 7654
6 x 7654
Part num: 7660
1 x 7660
Part num: 90398pr0007
4 x 90398pr0007
Part num: 32002
4 x 32002
Part num: 32198
1 x 32198
Part num: 3749
3 x 3749
Part num: 39888
6 x 39888
Part num: 6589
1 x 6589
Part num: 99008
3 x 99008
Part num: 65304
9 x 65304
Part num: 18654
6 x 18654
Part num: 32524
1 x 32524
Part num: 42003
1 x 42003
Part num: 6587
2 x 6587
Part num: 37775
1 x 37775
Part num: 15462
4 x 15462
Part num: 24316
4 x 24316
Part num: 59443
3 x 59443
Part num: 2393
2 x 2393
Part num: 32013
2 x 32013
Part num: 32073
2 x 32073
Part num: 32123b
3 x 32123b
Part num: 32271
2 x 32271
Part num: 32316
2 x 32316
Part num: 3713
3 x 3713
Part num: 40490
2 x 40490
Part num: 41239
1 x 41239
Part num: 42195
1 x 42195
Part num: 44874
5 x 44874
Part num: 49130
3 x 49130
Part num: 49283
1 x 49283
Part num: 60483
8 x 60483
Part num: 61903
1 x 61903
Part num: 6612
1 x 6612
Part num: 73763
4 x 73763
Part num: 77590
1 x 77590
Part num: 94925
4 x 94925
Part num: 11214
12 x 11214
Part num: 3167
4 x 3167
Part num: 32523
1 x 32523
Part num: 4032a
2 x 4032a
Part num: 59426
2 x 59426
Part num: 60169
1 x 60169
Part num: 52730
1 x 52730
Part num: 67491
3 x 67491
Part num: 73230
2 x 73230
Part num: 87083
9 x 87083
Part num: 89678
2 x 89678
Part num: 99773
1 x 99773
Part num: 6126b
4 x 6126b
Part num: 64567
1 x 64567
Part num: 69779
1 x 69779
Part num: 78258
1 x 78258
Part num: 24119
6 x 24119
Part num: 24593
2 x 24593
Part num: 32524
3 x 32524
Part num: 4742
1 x 4742
Part num: 68327
1 x 68327
Part num: 10115267
1 x 10115267

Spare parts (20 - Total quantity of 22)

Price information

Current lowest price
€ 47.37
€ 0.07 per steen
Lowest price ever
€ 47.37
€ 0.07 per steen
Lego price
Unknown
Highest price ever
€ 59.99
€ 0.09 per steen

Prices per shop

If you're buying through these links you also supporting this website. Thanks in advance!

Features

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

Similar popular LEGO sets

© 2026 MasterTheBricks. All rights reserved. MasterTheBricks.com is not affiliated with, endorsed by, or sponsored by The LEGO Group. LEGO® is a
trademark of the LEGO Group of companies which does not sponsor, authorize, or endorse this site.