Beginner
≈ 30 minSuggested range18 min – 48 min
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
City · SET 30694
Space Science Mech
A little space-science mech with mechanical arms and an astronaut cockpit: a model of imagined exploration.
- Pieces
- 49
- Release year
- 2025
- Theme
- City
- Set number
- 30694
- LEGO recommended age
- 6+
- Archived regional retail price · US
- 4.99 USD
Archived regional retail price in the stated market and currency. It does not establish the Italian launch price; no estimated currency conversion. Brickset ↗ · Reference checked on 28 October 2026
Official English name verified at: LEGO English archive ↗ · Checked on 26 October 2026.
TIME TO BUILD
How long does it take to build Space Science Mech?
A starting point for planning your build. Times for each experience level are editorial estimates, not measurements submitted by HowLongToBuild users.
Editorial estimate · first build
Intermediate
≈ 20 minSuggested range12 min – 32 minExperienced
≈ 14 minSuggested range8 min – 23 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
Editorial assessment: A little space-science mech with mechanical arms and an astronaut cockpit: a model of imagined exploration. The little cockpit keeps the central character recognisable. A first build following the instructions, including normal piece finding; an adult may help when needed. Breaks and subsequent play are excluded. For older sets, unnumbered bags or previously mixed pieces may prolong sorting. No verified timed build: indicative values with substantial variation.
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 · set-specific instructions ↗
Official name, pieces, age and imagery; no timed building data.
- LEGO · set manual ↗
Document for this set number. The duration is an editorial estimate, not a LEGO timing.
Checked: 26 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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Did you know?
Inside the set
Tool arms
The ends of the two arms have different shapes.
LEGO sourceVisible pilot
The little cockpit keeps the central character recognisable.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
Two arms in space
Dextre is a two-armed robot installed on the International Space Station in 2008. It can work with Canadarm2 to perform maintenance outside the station.
Canadian Space AgencyCommands can come from Earth
Ground teams at the Canadian Space Agency and NASA control Dextre. Space robotics can therefore carry out external work without requiring an astronaut spacewalk every time.
Canadian Space AgencyWritten by HowLongToBuild · Sources are linked with each story · Checked on 26 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
· Selected for the subject and atmosphere
Repetition transforms through tiny changes in interlocking patterns. A musical dialogue with modular structures and symmetrical sections: recognisable units becoming something different together.
OUR PICK
Music for 18 Musicians
Steve Reich Ensemble
Pulses and evolving formsEditorial 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 →
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YOUR NEXT BUILD
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Sets from the same theme or with similar suggested building times. The ranges shown are for intermediate builders.
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗