Beginner
≈ 8 h 30 minSuggested range5 h 30 min – 12 h 30 min
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Monkie Kid · SET 80045
Monkey King Ultra Mech
Monkey King’s large mech combines armour, boosters and transforming weapons with a light effect.
- Pieces
- 1,705
- Release year
- 2023
- Theme
- Monkie Kid
- Set number
- 80045
- LEGO recommended age
- 10+
- LEGO retail price · Italy
- 139.99 €
Available at LEGO Italy when checked on 23 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 23 October 2026
Official English name verified at: LEGO English catalogue ↗ · Checked on 24 October 2026.
TIME TO BUILD
How long does it take to build Monkey King Ultra Mech?
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
≈ 5 h 30 minSuggested range3 h 30 min – 8 hExperienced
≈ 3 h 45 minSuggested range2 h 15 min – 5 h 30 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
Articulated frame, armour, lighting and reconfigurable weapons need stability checks. The three central durations are model-specific editorial assessments. Planning ranges extend approximately from 65% to 145%, rounded to quarter-hours; they are not measured experience-level averages or guaranteed limits.
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 Italy · Monkey King Ultra Mech ↗
This source documents the model’s features and components, not a timed build. No sufficiently verifiable individual building-time report has been identified for this set.
- LEGO building instructions · Monkey King Ultra Mech ↗
Set-specific instructions checked against the set number, piece count and year. The duration is an editorial assessment based on piece count, construction type, mechanisms and detail.
Checked: 23 ottobre 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 buildShare your building time · no account needed
Build your own story.
Save this set to your collection and track your progress. An account lets you keep your personal build history.
Create a free account →MAKE ROOM FOR YOUR NEXT BUILD
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
Glowing sight
A light brick animates Golden Sight in the armoured face.
LEGO sourceWeapons become a jet
Reconfigure detachable accessories into a small aircraft.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
Monkey King in Japan
Known as Son Gokū in Japan, the character helped inspire Dragon Ball’s protagonist.
Read the full story
Japan knows the Monkey King as Son Gokū, a figure the museum links with Dragon Ball’s later hero. Netsuke and sword guards also depict him. His circulation extends beyond reprinted books into decorative objects and new stories, retaining recognisable features across media.
Legend in prints
Yoshitoshi’s Journey to the West prints appeared in 1864–65, spreading the story beyond books.
Read the full story
Boston’s museum presents Yoshitoshi’s 1864–65 Journey to the West series, based on a Japanese translation of the Chinese novel. Twenty-one known designs carry episodes into colour prints. Novel, translation and printmaking bring the Monkey King to different audiences.
Expanded stories updated on 29 October 2026
Written by HowLongToBuild · Sources are linked with each story · Checked on 23 October 2026. Historical facts and story details refer to the context described.
BEYOND THE BRICKS
Keep the story going
Films, series, games, books and music connected to this model or its universe.
LEGO Monkie Kid
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.Journey to the West
Follow the story on the page: explore editions of the book or comic.
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.
Rate this set · no account needed
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
Piano, noise and silence draw attention to sonic texture. The pairing follows unusual surfaces and suspended moods, offering something less predictable than conventional relaxing piano.
OUR PICK
async
Ryuichi Sakamoto
Intimate and spaciousEditorial 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
You might also like
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 ↗
Red Son’s Inferno Truck
1,111 pieces · 9+
3 h 15 min – 9 h
Suggested time · Intermediate
Same theme, a new build
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Demon Bull King
1,051 pieces · 9+
3 h – 8 h 45 min
Suggested time · Intermediate
Same theme, a new build
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Celestial Pagoda
1,621 pieces · 10+
3 h 15 min – 7 h 45 min
Suggested time · Intermediate
Same theme, a new build