Beginner
≈ 3 h 45 minSuggested range2 h 15 min – 6 h
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Minecraft · SET 21143
The Nether Portal
A Nether portal among lava, tracks and creatures. Landscape and structures require a modular build with frequent colour changes.
- Pieces
- 470
- Release year
- 2018
- Theme
- Minecraft
- Set number
- 21143
- LEGO recommended age
- 8+
- Archived regional retail price · Germany
- 48.73 €
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 The Nether Portal?
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
≈ 2 h 30 minSuggested range1 h 30 min – 4 hExperienced
≈ 1 h 45 minSuggested range1 h – 3 hBased 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 Nether portal among lava, tracks and creatures. Landscape and structures require a modular build with frequent colour changes. The square white figure is built separately from the landscape and tracks. A first build following the instructions, including normal piece finding; an adult may help when needed. Breaks, subsequent play and any alternative models 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.
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
A dark frame
The rectangular portal contrasts with the large orange flow beside it.
LEGO sourceA Ghast in the scene
The square white figure is built separately from the landscape and tracks.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
A biome changes the world
Each Minecraft biome has its own terrain, plants and creatures.
Read the full story
Minecraft Bedrock documentation connects biomes with climate variables and world generation. They influence terrain, creatures and vegetation, but also precipitation, atmospheric lighting and background music. A landscape therefore communicates potential conditions and encounters as well as a palette of blocks.
Beyond the Overworld
The Nether and End also have biomes, extending variety beyond forests and deserts.
Read the full story
The 2020 Nether Update added environments including crimson and warped forests and basalt deltas. Mojang named the original biome Nether Wastes. Update history helps explain why locations within the same dimension can have substantially different colours and features.
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.
BEYOND THE BRICKS
Keep the story going
Films, series, games, books and music connected to this model or its universe.
A Minecraft Movie
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.
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
C418’s textures leave room for a world growing one block at a time. This follows digital landscapes and free building with less urgency than an action score.
OUR PICK
Minecraft – Volume Beta
C418
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 ↗
The Desert Outpost
519 pieces · 8+
1 h 30 min – 4 h 15 min
Suggested time · Intermediate
Same theme, a new build
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 ↗
The Skeleton Attack
457 pieces · 8+
1 h 15 min – 4 h
Suggested time · Intermediate
Same theme, a new build