Overview

  • Build An Official Nasa Rocket
    Kids prepare to explore outer space with the LEGO Technic NASA Artemis Space Launch System Rocket (42221) building toy for boys and girls ages 9 years old and up
  • 3-Stage Rocket Separation
    Young builders can turn the hand crank to watch the rocket separate in 3 distinct stages: solid rocket boosters, core stage, then upper stage with Orion spacecraft
  • Stem Building Toy For Kids
    This educational rocket kit was created in collaboration with NASA and ESA to showcase the authentic system that will launch the Orion spacecraft into lunar orbit
  • Pretend Play Possibilities
    Kids can dream up creative space adventures with 4 astronaut nanofigures, blue flame details and an information panel for eye-catching display
  • Gift For Boys & Girls
    Makes a fun birthday present or holiday treat for kids who love space toys and STEM toys
  • A Fun Way To Build
    The LEGO Builder app includes digital tools that let kids track progress, zoom in and rotate models using 3D instructions
  • Dimensions
    This 632-piece LEGO space set measures over 27.5 in. (70 cm) high, 6.5 in. (16 cm) long and 3 in. (8 cm) wide when the rocket is placed on top

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Specifications

Capacity & configuration

Number Of Pieces Included
632

Dimensions & weight

Product Name
Technic NASA Artemis Space Launch System Rocket 42221, Technic NASA Mars Rover Perseverance 42158

Features

Brand
LEGO
Series
Technic
Material
Plastic
Recommended Minimum Age
9 years
Brand/Character
LEGO
UPC
673419424400

Power & warranty

Model Number
6588564

Warranty & protection

Included manufacturer warranty

See manufacturer documentation.

Register your product with the manufacturer within 30 days of delivery.

Warranty service

Manufacturer warranty claims are handled by the manufacturer. We are happy to help you find the right contact: (888) 419-6820.

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Customer reviews

Write a review
SatisfiedMay 16, 2026 · Verified purchase ★★★★★

Wonderful Gift - Best gift I ever gave my son. He really enjoyed putting it together and the mechanics of it.

Sped913Feb 27, 2026 · Verified purchase ★★★★★

Fun Build - Nice build. Also have the other one with the tower and launch pad.

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Questions & answers

Ask a question

Email [email protected] or call (888) 419-6820 during business hours.

Free U.S. shippingOn every order. Leaves our store in 1–2 business days, arrives in 3–5 business days.
Free returns for 30 daysNo restocking fee. We email you a prepaid return label.
We can install it tooOptional in-home delivery, installation and haul-away on large appliances.
Talk to our team(888) 419-6820 · Mon–Sat