Beginner
≈ 4 hSuggested range2 h 30 min – 6 h
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Creator · SET 31152
Space Astronaut
An articulated astronaut with opening visor and detachable backpack displays on a stand or rebuilds as a space dog or jet.
- Pieces
- 647
- Release year
- 2024
- Theme
- Creator
- Set number
- 31152
- LEGO recommended age
- 9+
- LEGO retail price · Italy
- 49.99 €
Retired from the LEGO Italy catalogue when checked on 23 October 2026. Availability can change. Check the store for the latest information.
Retail price reported by the LEGO source for the stated market. Check the store for current price and availability; this does not establish the launch price. LEGO ↗ · Reference checked on 23 October 2026
Official English name verified at: LEGO English catalogue ↗ · Checked on 24 October 2026.
TIME TO BUILD
How long does it take to build Space Astronaut?
A starting point for planning your build. Times for each experience level are editorial estimates, not measurements submitted by HowLongToBuild users.
Editorial model estimate · no verified measured building time
Intermediate
≈ 2 h 30 minSuggested range1 h 30 min – 3 h 45 minExperienced
≈ 1 h 45 minSuggested range1 h – 2 h 45 minBased on one person building the set for the first time, following the original instructions and using numbered bags where supplied. Includes normal piece-finding and minor adjustments; excludes long breaks, filming, dismantling and modifications. Sources may use different methods. This range is neither a statistical interval nor a limit: your build may take less or more time.
How we estimate times · sources and method
Articulated body, fingers, visor and stand. Main astronaut only. The three central durations are model-specific editorial assessments. Planning ranges extend approximately from 65% to 145%, rounded to quarter-hours; they are not measured experience-level averages or guaranteed limits.
Sources do not always specify the builder’s experience. The three experience bands are our editorial assessment, based on the complexity of the set and individual accounts where available.
- LEGO Italy · Space Astronaut ↗
This source documents the model’s features and components, not a timed build. No sufficiently verifiable individual building-time report has been identified for this set.
- LEGO building instructions · Space Astronaut ↗
Set-specific instructions checked against the set number, piece count and year. The duration is an editorial assessment based on piece count, construction type, mechanisms and detail.
Checked: 23 ottobre 2026 · Method v1.0 · Limited reports; not a statistical average.
BUILT BY THE COMMUNITY
Yours could be the first building time.
0 reviewed solo building times.
No solo building times have been reviewed yet. You can still find editorial estimates under Suggested times.
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How much display space does it need?
Assembled-model dimensions are not yet documented for this set. Box dimensions cannot tell you how much display space it needs.
BEYOND THE BRICKS
Did you know?
Inside the set
A backpack cockpit
The propulsion pack seats a minifigure, not included.
LEGO sourceThree space interpretations
Astronaut, space dog and jet have alternative designs and stands using the same pieces.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
Why some suits are orange
Shuttle launch and re-entry suits were orange to make astronauts more visible at sea or in emergencies.
Read the full story
The museum’s orange launch-and-entry suit improves visibility, including in the ocean after an emergency. Colour serves recognition and recovery. Different mission phases need different suits, so capsule travel and outside activity help explain changes in form and appearance.
A little personal spacecraft
Spacewalk suits combine a pressurised garment and life-support system, protecting astronauts outside the cabin.
Read the full story
The museum compares an EMU with a personal spacecraft, combining a pressure garment and life-support system. Flexible layers have different protective functions. Its human shape should not conceal an engineered system that enables work outside a habitable vehicle.
Expanded stories updated on 29 October 2026
Written by HowLongToBuild · Sources are linked with each story · Checked on 23 October 2026. Historical facts and story details refer to the context described.
THE COMMUNITY’S EXPERIENCE
What was it like to build?
Three separate scores from 1 to 10. For difficulty, 1 means very easy and 10 means very difficult.
No approved ratings yet. Scores are never generated by this site or inferred from the recommended age.
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Building tips from the community
Specific steps, useful checks and sticking points. Contributions appear after moderation, in their original language. Do not upload instruction pages or personal contact details.
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Sign in to contributeSET THE MOOD
A soundtrack for your build
· Selected for the subject and atmosphere
Spacious ambient textures and restrained accents leave room for the instructions. The pairing supports a continuous session without setting a building speed.
OUR PICK
Ambient 1: Music for Airports
Brian Eno
Intimate and spaciousEditorial suggestions, not official soundtracks for the set. External services may require an account or subscription; editions and availability can vary by country. Suggest another soundtrack →


