BricksValue

LEGO NASA Artemis Space Launch System Rocket (42221)

Technic · 632 pieces

From £43.99 at John Lewis · 20% off

Not retiring yet (on sale since 2026)

LEGO NASA Artemis Space Launch System Rocket (42221)
1 / 12

Compare prices (UK)

Regular price £54.99

See it at John Lewis, £43.99

Buy now: £11.00 cheaper at John Lewis than on LEGO.com UK today.

. Amazon offers can be third-party (marked).

Similar sets with bigger discounts

Price history

Lowest price today
£43.99
at John Lewis
Lowest we’ve recorded
£41.99
John Lewis, 8 Oct 2026
LEGO’s regular price
£54.99
today’s lowest is 20% off
Tracked since
8 Oct 2026
12 price changes since
Price records (20)
  • 22 October 2026 · Very£43.99
  • 21 October 2026 · LEGO.com UK£54.99
  • 20 October 2026 · Veryout of stock£43.99
  • 20 October 2026 · Very£43.99
  • 19 October 2026 · LEGO.com UK£54.99
  • 18 October 2026 · Veryout of stock£43.99
  • 15 October 2026 · Very£43.99
  • 15 October 2026 · Amazon.co.uk£43.99
  • 15 October 2026 · Veryout of stock£43.99
  • 15 October 2026 · Smyths Toys£43.99
  • 15 October 2026 · John Lewis£43.99
  • 14 October 2026 · Very£43.99
  • 13 October 2026 · Kidinn£49.99
  • 13 October 2026 · John Lewis£54.99
  • 11 October 2026 · Amazon.co.uk£41.99
  • 10 October 2026 · Argos£55.00
  • 10 October 2026 · Smyths Toys£41.99
  • 8 October 2026 · The Entertainer£55.00
  • 8 October 2026 · John Lewis£41.99
  • 8 October 2026 · LEGO.com UK£54.99

Prices at LEGO.com UK, Amazon.co.uk, Argos, Smyths Toys, Very, John Lewis, The Entertainer and Kidinn, checked daily. A line breaks when a store was out of stock or not selling the set.

LEGO NASA Artemis Space Launch System Rocket in other countries

The lowest price today in each country where LEGO sells it, converted at the European Central Bank’s rate. Delivery across borders isn’t included: most stores only ship inside their own country.

CountryLowest priceIn GBP
Show all 13 countries

Exchange rates of 22 October 2026.

Resale value

What the LEGO NASA Artemis Space Launch System Rocket actually sold for on BrickLink, the LEGO-owned marketplace, in the last 6 months.

New

£33.64

Median of 1 sale (US sellers)

-39% vs LEGO’s regular price (£54.99)

Used

No sales in the last 6 months.

Sales on BrickLink, updated daily (last update 23 October 2026). Sold in US dollars, shown in British Pound at the ECB rate of 22 October 2026. Few sales mean a less reliable figure.

Set details

Pieces
632
Minifigures
None
Ages
9+
Released
2026
Set number
42221
Theme
Technic
Price per piece
7.0pat today’s lowest price
LEGO.com rating
4.8
LEGO Insiders points
440

LEGO NASA Artemis Space Launch System Rocket building instructions

Official instructions from LEGO.com, free to download. The LEGO Builder app has them too, many with 3D steps. All instructions on LEGO.com

LEGO NASA Artemis Space Launch System Rocket parts list

632 pieces in 157 different parts and colors.

  • Technic Pin with Friction Ridges Lengthwise with No Center Slots, Black×9161332
  • Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot, Blue×5142924
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening), Black×164032a
  • Technic Beam 2 x 4 L-Shape Thick, Black×1532140
  • Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Centered Friction Ridge], Black×1565487
  • Technic Axle 3, Yellow×144519

Parts list: Rebrickable.

About the LEGO 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.
  • 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

Description: LEGO.com.

LEGO NASA Artemis Space Launch System Rocket: FAQ

Is the LEGO NASA Artemis Space Launch System Rocket retiring?

Not yet: the LEGO NASA Artemis Space Launch System Rocket isn’t flagged as retiring. LEGO.com UK doesn’t list it as “Retiring soon”. We check every day and will update this page the day that changes.

How much is the LEGO NASA Artemis Space Launch System Rocket?

The lowest price we found today is £43.99 at John Lewis, out of 8 stores selling it today (regular price £54.99). Prices change often: this page is updated every day.

Should I buy the LEGO NASA Artemis Space Launch System Rocket now or wait?

20% off at John Lewis. The best price today is £43.99 at John Lewis, 20% below LEGO’s regular price.

Where can I find the instructions for the LEGO NASA Artemis Space Launch System Rocket?

LEGO publishes them for free on LEGO.com as a PDF, linked on this page, and in the LEGO Builder app.

How many pieces are in the LEGO NASA Artemis Space Launch System Rocket (42221)?

632 pieces. At today’s price, that’s 7.0p per piece.

When was the LEGO NASA Artemis Space Launch System Rocket released?

It was released in 2026.

What is the LEGO NASA Artemis Space Launch System Rocket worth?

New, it sold for £33.64 on BrickLink (median of 1 sale in the last 6 months, US sellers). LEGO’s regular price is £54.99.

More Technic sets

LEGO Ferrari FXX K (42212)

42212 · 897 pieces

Ferrari FXX K

£41.99£54.99-24%

at John Lewis4.7p/pc

LEGO Chevrolet Corvette Stingray Blue (42217)

42217 · 732 pieces

Chevrolet Corvette Stingray Blue

Retiring by 31 Dec

£54.99

at LEGO.com UK7.5p/pc

LEGO Chevrolet Corvette Stingray (42205)

42205 · 732 pieces

Chevrolet Corvette Stingray

Retiring by 31 Dec

£42.99£54.99-22%

at Very5.9p/pc

LEGO Aston Martin Valkyrie (42208)

42208 · 707 pieces

Aston Martin Valkyrie

Retiring by 31 Dec

£47.99£54.99-13%

at Kidinn6.8p/pc

LEGO Ford Bronco SUV (42213)

42213 · 943 pieces

Ford Bronco SUV

£43.99£54.99-20%

at Amazon.co.uk4.7p/pc

Today’s best LEGO deals

All deals