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“NASA Artemis Space Launch System Rocket” is LEGO® “Technic” theme set number 42221. Released in 2026, it has 632 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.
Part breakdown 157 types
Color split (most first)
Black×256
Blue×89
White×76
Light Bluish Gray×48
Dark Bluish Gray×40
Red×27
Yellow×24
Tan×18
Dark Orange×13
Reddish Brown×11
Orange×9
Lime×8
Main parts (most used first)
61332 Technic Pin with Friction Ridges Lengthwise with No Center Slots
Black · ×91
42924 Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot
Blue · ×51
4032a Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
Black · ×16
32140 Technic Beam 2 x 4 L-Shape Thick
Black · ×15
65487 Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Centered Friction Ridge]
Black · ×15
4519 Technic Axle 3
Yellow · ×14
32316 Technic Beam 1 x 5 Thick
Black · ×13
43093 Technic Axle Pin with Friction Ridges Lengthwise
Blue · ×13
11214 Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle
Dark Bluish Gray · ×12
3941 Brick Round 2 x 2 with Axle Hole
White · ×12
4032a Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
White · ×12
32062 Technic Axle 2 Notched
Red · ×9
32524 Technic Beam 1 x 7 Thick
Black · ×9
65304 Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole]
Orange · ×9
87083 Technic Axle 4 with Stop
Dark Bluish Gray · ×9
18651 Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle
Black · ×8
32013 Technic Axle and Pin Connector Angled #1
Blue · ×8
60483 Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole
Light Bluish Gray · ×8
65487 Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Centered Friction Ridge]
Blue · ×7
15535 Tile Round 2 x 2 with Hole
White · ×6
18654 Technic Pin Connector Round 1L [Beam]
Lime · ×6
24119 Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface
Dark Orange · ×6
32278 Technic Beam 1 x 15 Thick
Black · ×6
39888 Technic Pin Long without Friction Ridges, with Anti-Roll Notch
Re:GO is an unofficial service and is not affiliated with the LEGO Group. LEGO® is a trademark of the LEGO Group. Data is based on Rebrickable and others.
