Beginner
≈ 1 h 15 minSuggested range45 min – 2 h
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Creator · SET 31145
Red Dragon
A red dragon with blue wings and a yellow belly: a small buildable character with limbs and a tail to position.
- Pieces
- 149
- Release year
- 2024
- Theme
- Creator
- Set number
- 31145
- LEGO recommended age
- 6+
- Archived regional retail price · Germany
- 9.99 €
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 22 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 Red Dragon?
For younger children, we estimate the first illustrated setup, with adult guidance when needed. Ranges reflect building familiarity, not a child’s age or ability. Free play and learning have no completion time.
Editorial estimate · first setup
Intermediate
≈ 50 minSuggested range30 min – 1 h 20 minExperienced
≈ 35 minSuggested range21 min – 56 minFirst guided arrangement: one model for 3 in 1 sets, a small composition for creative boxes, and setup alone for expansions. Excludes play, breaks and electronic configuration. These are broad editorial estimates, not measured times or targets to meet.
How we estimate times · sources and method
Editorial assessment: A red dragon with blue wings and a yellow belly: a small buildable character with limbs and a tail to position. Tail and limbs divide the build into small subassemblies. Creative boxes and modular decorations refer to one first illustrated arrangement; 3 in 1 sets to the main model only, and expansions to their first setup. An adult may guide the child. Ranges reflect building familiarity, not age or development; they do not measure play, learning or a speed contest. 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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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
Contrasting colours
Blue wings stand out against the red body.
LEGO sourceJointed silhouette
Tail and limbs divide the build into small subassemblies.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
Reading rank in a dragon robe
On the Qing robe examined by the Metropolitan Museum, five-clawed dragons signal membership of the imperial family.
Read the full story
Gold-wrapped threads and the arrangement of motifs communicate status. Yet some emblems associated with the emperor are missing, so the museum distinguishes imperial-family dress from an emperor’s robe. Absence matters as well as decoration.
The ninth dragon is hidden
The Met’s robe carries nine dragons: three on the front, three on the back, two on the shoulders and one inside.
Read the full story
That last dragon is hidden when the robe is worn. Decoration was therefore more than a visible surface: an unseen element still belonged to the object’s symbolic language of rank.
Expanded stories updated on 29 October 2026
Written 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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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
Small acoustic motifs and a playful character accompany inventive shapes and figures. The aim is curiosity and lightness rather than simply replaying a character’s theme tune.
OUR PICK
Music from the Penguin Cafe
Penguin Cafe Orchestra
Rhythmic and livelyEditorial 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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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 ↗
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