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LEGO® Builder: 3D Instructions

LEGO® Builder: 3D Instructions

Build solo or as a team.

285K ratings
3784 reviews
#78 in free Entertainment
🔧 Utilities
🎬 Entertainment
Free

Details

  • Released
  • Updated
  • December 5, 2019
  • September 29, 2026

Developer

LEGO System A/S
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LEGO® Builder: 3D Instructions screenshot #1 for iPhone
LEGO® Builder: 3D Instructions screenshot #2 for iPhone
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LEGO® Builder: 3D Instructions screenshot #8 for iPhone
iphone
ipad
📊no. 78
Charts↘︎
📌Ready
Reviews summary↘︎
⭐3.8K
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📝40+ tags
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🔄6+ apps
Alternatives↘︎
🎪1 in live
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❓5 answered
FAQ↘︎
📦~ in 2 weeks
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About

This app provides interactive 3D building instructions for LEGO sets. It allows users to zoom, rotate, and view models from all angles, with step-by-step guidance. It also features a collaborative building mode for multiple users and a digital library of thousands of instruction manuals.

✓Interactive 3D building instructions
✓Zoom, rotate, and view from all angles
✓Step-by-step digital guidance
✓Collaborative 'Build Together' mode
✓Digital library of thousands of instructions
✓Track building progress and brick count
Show original description

What users say

Summarized from real user reviews of LEGO® Builder. Based on 285K reviews and a 4.8/5 average, it highlights the 5 positives and 5 negatives reviewers mention most about this Entertainment app.

Positive things

  • 🚀Easy to use
  • 👍Helpful for building sets
  • 🤖Great 3D instructions
  • 💡Ability to save built sets
  • 🎨Organized by theme and year

Negative things

  • 🐛Crashes when using sticker steps
  • 🔍Missing instructions for older/retired sets
  • 🔍Incomplete set of instructions for newer sets
  • 🔍Difficult to navigate and find specific sets
  • 🔍Inability to add older sets to collection
See all reviews

What's New in LEGO® Builder

4.3.9

September 29, 2026

We’ve made the LEGO Builder experience even more awesome. How? Well, we fixed some pesky bugs and improved performance in the app. Now you can build even bigger, better than before!

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Charts

Top Free

📊 78

Entertainment

The app has maintained its position at 78 recently.

Last updated on October 12, 2026.

Events

Read more about The Magic Starts Here.
HappeningSpecial Event

The Magic Starts Here.

Discover the world of LEGO® Harry Potter™

Sep 25, 2026 — Oct 26, 2026

Read More

Read more about Ready to Build, Trainer?
Event EndedSpecial Event

Ready to Build, Trainer?

Your next Pokémon™ adventure awaits.

Aug 8, 2026 — Sep 8, 2026

Read More

Read more about Build. Dribble. Score!
Event EndedLive Event

Build. Dribble. Score!

Build your favorite players and soccer moments.

Jun 26, 2026 — Jul 27, 2026

Read More

See All

User reviews

Most RecentHighest RatedLowest Rated

It’s so helpful

I gave this a 5 star because this app is very/super helpful and you can see the blocks 3D and you don’t mess up because some blocks look similar and me and my parents we’re building the lilo and stitch beach house it was way easier because we were taking turns and two of us had to watch tv mean while the other was building and then we scanned the QR code and we got the hang of it and that is why you should get this
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DrrcsedDrrcsed

Red boots for ALL spider man minifigures!

The lego minifigure for spider man has super dull plain blue legs and they suck the lego daily bugle from 2021 gives him good boots but that set is too expensive and the only other set with them is the spider man vs. doctor octopus mech battle set from 2021 and that one is retired so lego needs to give all the spider man minifigures the red feet on the legs.
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Weetaboy7738Weetaboy7738

Very helpful

It’s helpful especially for the little ones because the image rotates 360 degrees
karla_btnkarla_btn

So help full and fun!!!!

I love this game it’s really fun and helpful,I love you can build together❤️❤️❤️❤️❤️❤️❤️❤️❤️
Yesqueenslay🎉🎉🎉🎉Yesqueenslay🎉🎉🎉🎉

Lego is great!👍

This app is great for loose pieces🧩!
StinawiStinawi
See 3779 more reviews

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User experience

🐞

Reported Bugs

4 issues

Sets disappearing from collection after updates

Bug

Inability to log in and save collection

Bug

Slow loading and reloading of instructions

Bug

Zoom and navigation issues on instructions

Bug
✨

Requested Features

5 requests

Add more older/retired sets

Feature

Improve navigation and search functionality

Feature

Allow adding of older sets to collection

Feature

Implement wishlist feature

Feature

Add more personalization options for profiles

Feature

FAQ

What does the LEGO Builder app do?

The LEGO Builder app provides official 3D building instructions for LEGO sets. It offers an interactive experience where you can zoom, rotate, and view models from every angle, with clear step-by-step digital guidance to help you build your sets.

What are the key features of the LEGO Builder app?

Key features include an intuitive 3D building experience, step-by-step digital instructions, a collaborative 'Build Together' mode for multiple users, a digital library of thousands of instructions, and the ability to track your building progress and total bricks built.

Is the LEGO Builder app free to use?

Yes, the LEGO Builder app is completely free to download and use. There are no in-app purchases or advertisements mentioned in the app's description.

What are the system requirements for the LEGO Builder app?

The app requires a stable internet connection to function, as it accesses a digital library of instructions and may update with new content. Specific device compatibility is not detailed, but it is designed for mobile devices.

How can I use the 'Build Together' feature?

The 'Build Together' feature allows multiple builders to collaborate on a single LEGO set. You can share a PIN code to join as a host or builder, divide tasks, and take turns completing building steps to finish the model as a group.