LEGO System A/S
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Looking to get LEGO® Builder: 3D Instructions from LEGO System A/S on your Android device? APKzo hosts the latest APK build so you can install it in seconds without a Play Store account.
The build on this page is version 4.3.1, it has already passed 10,000,000+ installs worldwide and users rate it 4.8 out of 5 — scroll down for the full feature list, screenshots and a quick install guide.
LEGO® Builder is the official building instructions app for LEGO® sets that guides you on an easy, fun, and collaborative digital building adventure.
Build your set like never before:
- Step into a new way of building with an intuitive 3D building experience that lets you zoom, rotate, and view LEGO® sets from every angle.
- Use step-by-step digital building instructions to see each brick clearly and bring your set to life with confidence.
Build Together with friends and family!
- Build Together is a fun, social building experience designed for multiple builders to work together.
- You can team up and divide tasks to complete your LEGO® set as a group - perfect for fun social family nights, birthdays, or holidays like Valentine’s Day, Easter, Mother’s Day, Father’s Day or Christmas.
- Share a PIN code to join as a host or builder, take turns completing building steps, and collaborate to finish the model together.
- Check in the app to see if your LEGO® set can be built using the Build Together feature.
Discover thousands of LEGO® instructions
- Explore a digital library of LEGO® building instructions from 2000 to today.
- Search by set name or number, or scan the QR code on your instruction manual to open it instantly in the app.
Follow a story as you build
- Unlock enriched content and guided building experiences for select LEGO® themes, bringing extra fun and imagination to your 3D building journey.
Unlock more with a LEGO® Account
- Save your progress, build a digital collection of your LEGO® sets, and track your total number of bricks.
- Pick up right where you left off - anytime, anywhere.
Track your building journey
- Now you can keep a record of your completed sets, see your total bricks built, and celebrate your progress as a LEGO® Builder.
Things to keep in mind
- You’ll need a stable internet connection to use this app. We’re always adding new digital building instructions so you can expand your collection, explore new sets, and find even more ways to build together.
- Want to know if your set includes digital instructions or Build Together mode? Check in the app and start your collaborative adventure today!
We're eager to hear how we can make the LEGO® Builder app even better for you! Please leave us your thoughts and recommendations in the reviews to help us make the LEGO® Builder app even better.
LEGO, the LEGO logo, the Brick and Knob configurations, and the Minifigure are trademarks of the LEGO Group. © 2025 The LEGO Group.
Download the APK
Tap the install button on this page to download the latest LEGO® Builder: 3D Instructions APK to your Android device.
Allow unknown sources
Open Settings → Apps → Special access → Install unknown apps, then enable your browser or file manager so it can install the APK.
Open the downloaded file
Pull down your notification shade and tap the finished download, or find the file in your Downloads folder and tap it.
Install and launch
Tap Install, wait a few seconds, then press Open to start using LEGO® Builder: 3D Instructions. That's it — no account or Play Store needed.
Yes. LEGO® Builder: 3D Instructions is free to download and install as an APK from APKzo — there's no fee, subscription or sign-up to get the file.
Download the APK from this page, enable installs from unknown sources for your browser in Android settings, then open the downloaded file and tap Install. The full step-by-step guide is above.
We host the original, unmodified APK — it isn't repacked or bundled with extra software. As with any sideloaded app, only install on a device you trust and keep Play Protect enabled.
The current build on this page is version 4.3.1. APKzo refreshes the file whenever the developer ships a new release.
LEGO® Builder: 3D Instructions is developed by LEGO System A/S. APKzo only mirrors the APK so you can install it conveniently on Android.
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