Find Your LEGO Instructions
Snap a photo of your LEGO set — even partially built — and we'll instantly find the official building instructions PDF.
Upload a photo of your LEGO set
Works with complete sets, partially built models, or even a pile of distinctive pieces. We’ll identify it!
How to Find Lost LEGO Instructions
Take a Photo
Photograph your LEGO set, box, or even loose bricks
AI Identifies It
Our AI recognizes the set from 16,800+ LEGO sets
Download PDF
Get the official LEGO building instructions PDF instantly
What Is LegoFinder?
LegoFinder is a free AI-powered tool that identifies LEGO sets from photos and instantly finds the official building instructions PDF. Whether you have a fully built model, a partially assembled set, or even a pile of distinctive pieces, our AI can recognize which set it belongs to.
We cover over 16,800 LEGO sets across every theme — from Star Wars and Technic to City and Harry Potter. The tool is completely free, requires no sign-up, and works on any device.
Why People Lose LEGO Instructions
It happens to everyone. Kids play with their LEGO sets, take them apart, mix them with other sets, and eventually the instruction booklets go missing. Maybe you bought a second-hand set at a garage sale without the manual. Or you rediscovered your childhood LEGO collection in the attic and want to rebuild it.
Who Uses LegoFinder?
Parents
Your kids took apart three sets, mixed all the pieces, and now nobody knows which set is which. Snap a photo and LegoFinder sorts it out.
Collectors & Resellers
Found LEGO sets at a thrift store or flea market? Identify them instantly to check value and completeness before you buy.
Adult LEGO Fans (AFOLs)
Revisiting your childhood collection? Identify those old sets and download the instructions to rebuild the memories.
Need to Identify a Single LEGO Piece?
Our LEGO Part Identifier can recognize individual bricks, plates, slopes, and specialty elements. Photograph the piece and get the part number, color, category, and links to buy replacements online.
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View all →Common Questions
Is LegoFinder free?
Yes, completely free. No sign-up, no subscription, no hidden costs. Just upload a photo and get your results.
How accurate is the AI?
Our AI correctly identifies LEGO sets in the vast majority of cases. Accuracy depends on photo quality, lighting, and how complete the set is. For best results, use a clear, well-lit photo on a plain background.
What if I have a partially built set?
That works too! Our AI is trained on images of complete and partial builds. It can also recognize sets from box photos and distinctive pieces.
Where do the instruction PDFs come from?
We link to official PDFs from the LEGO Group and trusted community sources. The instructions are free to download — we just help you find the right ones.
LEGO® is a trademark of the LEGO Group of companies. LegoFinder is an independent website and is not affiliated with, endorsed by, or sponsored by the LEGO Group.