Beginner
≈ 6 h 15 minSuggested range3 h 45 min – 10 h
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Creator · SET 4958
Monster Dino
A grey and black mechanical dinosaur.
- Pieces
- 792
- Release year
- 2007
- Theme
- Creator
- Set number
- 4958
- LEGO recommended age
- 9+
- Archived regional retail price · US
- 89.99 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 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 Monster Dino?
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
≈ 4 h 15 minSuggested range2 h 30 min – 6 h 45 minExperienced
≈ 3 hSuggested range1 h 45 min – 4 h 45 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 grey and black mechanical dinosaur. The large open mouth has white teeth. 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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Did you know?
Inside the set
Shapes and colours
Pale green spines decorate the head and back.
LEGO sourceIn the first model
The large open mouth has white teeth.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
Two fingers, not three
Tyrannosaurus had just two fingers on each hand. Its short-arm anatomy distinguishes it from many other carnivorous dinosaurs.
American Museum of Natural HistoryA discovery in 1902
In 1902, Barnum Brown found the first Tyrannosaurus rex fossil discovered for the American Museum of Natural History. The skeletons on display today have a long research history behind them.
American Museum of Natural HistoryWritten 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 building rhythm
Small acoustic motifs and curious combinations accompany shapes to invent and scenes to build. A playful suggestion for the building table rather than a song tied to a brand.
OUR PICK
Music from the Penguin Cafe
Penguin Cafe Orchestra
Acoustic · curious and playfulEditorial 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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