Beginner
≈ 2 h 15 minSuggested range1 h 15 min – 3 h 30 min
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Ninjago · SET 71854
Cole's Mission Mech & Dragon Zane
Cole’s mech and Dragon Zane pair a large mechanical figure with a winged companion in a NINJAGO scene.
- Pieces
- 364
- Release year
- 2026
- Theme
- Ninjago
- Set number
- 71854
- LEGO recommended age
- 7+
- LEGO retail price · Italy
- 29.99 €
Available at LEGO Italy when checked on 28 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 28 October 2026
Official English name verified at: LEGO English catalogue ↗ · Checked on 26 October 2026.
TIME TO BUILD
How long does it take to build Cole's Mission Mech & Dragon Zane?
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
≈ 1 h 30 minSuggested range45 min – 2 h 30 minExperienced
≈ 1 hSuggested range30 min – 1 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
Editorial assessment of the first illustrated arrangement: Cole’s mech and Dragon Zane pair a large mechanical figure with a winged companion in a NINJAGO scene. The dragon and mech call for different building approaches; the estimate includes both. A first build following the instructions, including normal piece finding; an adult may help when needed. Breaks and subsequent play are excluded. 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.
Log your buildBuild your own story.
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Create a free account →BEYOND THE BRICKS
Did you know?
Inside the set
A mechanical core
Torso, legs and arms are built in sections before arranging the pose.
LEGO sourceTwo different forms
The dragon and mech call for different building approaches; the estimate includes both.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
Prototypes before mechs
Honda moved from externally powered prototypes to autonomous bipeds. Balance and coordination are real challenges distinct from toy poses.
HondaStairs and trolleys
The untethered 1996 P2 could walk, climb stairs and push trolleys, everyday tasks requiring years of research.
HondaWritten by HowLongToBuild · Sources are linked with each story · Checked on 26 October 2026. Historical facts and story details refer to the context described.
BEYOND THE BRICKS
Keep the story going
Films, series, books and music connected to this model or its universe.
LEGO Ninjago: Masters of Spinjitzu
Another adventure in the same universe, for before or after your build.
Title search on JustWatch: choose the result matching the title and year above.Streaming: Italian catalogue. Check availability, languages and terms on the external service. Searches are labelled; book results may include different editions.
Suggest a work or report a wrong connection →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.
Sign in or create an account to rate this set →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.
No approved tips yet.
Sign in to contributeSET THE MOOD
A soundtrack for your build
· Selected for the subject and atmosphere
Synthetic sequences and suspended melodies draw a wordless journey. We pair them with futuristic vehicles and exploration for a more dynamic building rhythm than ambient textures.
OUR PICK
Oxygène
Jean-Michel Jarre
Synthesisers and imaginary travelEditorial 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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