Beginner
≈ 2 h 45 minSuggested range1 h 45 min – 4 h
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Ideas · SET 21109
Exo Suit
An articulated exosuit for two green-suited astronauts, with an opening cockpit and a robot turtle: a tribute to the imagination of Classic Space.
- Pieces
- 321
- Release year
- 2014
- Theme
- Ideas
- Set number
- 21109
- LEGO recommended age
- 12+
- Historical price in EUR
- Not verified
Retired from the LEGO Italy catalogue when checked on 24 October 2026. Availability can change. Check the store for the latest information.
The historical euro price has not been verified. No current offer or conversion from another market is shown.
Official English name verified at: LEGO English archive ↗ · Checked on 24 October 2026.
TIME TO BUILD
How long does it take to build Exo Suit?
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
≈ 1 h 45 minSuggested range1 h – 2 h 45 minExperienced
≈ 1 h 15 minSuggested range45 min – 2 hBased 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
Numerous small grey elements and close-set connections need more attention than a large-block build. The estimate also covers the astronauts and turtle. Planning ranges are editorial allowances of roughly 65–145% of the central estimate, not guaranteed limits or measured averages.
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 · model instructions and image ↗
Source for structure, pieces and components, not a measured building time. Experience-level times are editorial estimates.
Checked: 24 October 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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Create a free account →BEYOND THE BRICKS
Did you know?
Inside the set
From Peter Reid to Mark Stafford
Designer Mark Stafford adapted Peter Reid’s original project into the official set, retaining its densely detailed mechanical appearance.
LEGO sourceA turtle companion
A robot turtle accompanies Pete and Yve. Their green suits carry the Classic Space emblem, directly recalling the theme’s history.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
The reality behind exploration
A real robotic mission can take years. Hayabusa launched in 2003 and its capsule returned in 2010. The set’s walking mech, by contrast, belongs to science fiction.
JAXA ISASRobots study geology
Curiosity examines layered rocks in Gale crater to reconstruct ancient Martian environments. Real robotic exploration can help read a planet’s history.
NASA Johnson Space CenterWritten by HowLongToBuild · Sources are linked with each story · Checked on 24 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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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
Exo Suit · Selected for the subject and atmosphere
Electronic pulses and orchestral colours accompany structures, wheels and mechanical assemblies. The rhythm suggests movement.
OUR PICK
TRON: Legacy
Daft Punk
Electronic and orchestral · pulsingTry a different atmosphere
ANOTHER MOOD
Ambient 1: Music for Airports
Brian Eno
Ambient · minimal and relaxedEditorial 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 →
Report a problem with this set →
YOUR NEXT BUILD
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