26,000+ Sets. Retired Values. Live BrickLink Prices.
LEGO Collection Tracker
The free LEGO set tracker and price guide. Track which sets you own, see live LEGO set prices from BrickLink across 26,000+ sets, and know exactly how much your retired and discontinued sets have gone up in value - free to start.
The LEGO Collection App for Collectors and Investors
From new in-box sets to discontinued LEGO sets - track live prices, collection value, and your wishlist.
26,000+ Sets Cataloged
Every LEGO set ever produced - from 1965 to today. Full details: part counts, minifigures, themes, and images.
LEGO Price Guide - BrickLink Data
See BrickLink prices for every set including retired LEGO sets. Know your LEGO set value and track how much retired sets have appreciated over time.
150+ LEGO Themes - Star Wars, Technic & City
Star Wars, Technic, City, Creator Expert, Ideas, Icons, Ninjago, Harry Potter, and every sub-theme - browse and track exactly what you collect.
LEGO Wishlist & Want List
Mark sets as owned or wanted. See your total collection value at a glance and track every set you're still hunting for.
Which LEGO Sets Have Gone Up in Value?
Retired LEGO sets routinely double or triple in price once they're discontinued. Star Wars Ultimate Collector Series sets, classic Creator Expert models, and limited Icons releases are among the most consistent performers. CollectionPlnr shows live BrickLink prices alongside each set's original retail price - so you can see at a glance which sets in your collection have appreciated and by how much.
Curious where the LEGO investment market stands? Browse our guide to the most valuable LEGO sets to see which retired sets are commanding the highest premiums today.
LEGO Set Tracker - Common Questions
Is there a free LEGO set tracker?▾
Yes - CollectionPlnr is a free LEGO collection tracker. Free accounts let you track up to 50 sets with owned/wanted status. Upgrade to track your entire collection and see total collection value.
Can I track retired LEGO sets and their value?▾
Yes. CollectionPlnr covers over 26,000 LEGO sets including retired sets. Each set page shows the retail price and current BrickLink market pricing, so you can see exactly how much your retired sets have appreciated.
How do I see what my LEGO collection is worth?▾
Once you mark sets as owned, CollectionPlnr aggregates BrickLink market prices across your whole collection and shows a total estimated value. Individual set pages show current market price versus original retail price.
Does it cover all LEGO themes?▾
Yes - 150+ themes are covered including Star Wars, Technic, City, Creator Expert, Ideas, Ninjago, Harry Potter, Icons, and every sub-theme. Sets are organized hierarchically so you can browse by theme and sub-theme.
Can I track LEGO sets I want but don't own yet?▾
Yes. Any set can be added to your wishlist separately from your owned collection. Your wishlist is searchable and shareable, making it easy to manage what you're still hunting for.
Guides & Resources
Free guides to help you value, grade, buy and protect your collection.
Track Your LEGO Collection - Free to Start
Free to start, no card needed. Log every set you own, see live BrickLink prices, track which retired sets have gone up in value, and know exactly what your LEGO collection is worth today.
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