Stop Guessing.
Start Comparing.
The ultimate data-driven tool for LEGO® collectors and investors. Analyze price-per-piece, minifigure value, and retirement risks.
Explore Popular Themes
Dive into the most collected lines.
Smart Analytics
We calculate complex metrics like Price-Per-Piece and Volume-Weight ratios so you don't have to.
Investment Tracking
Identify sets that are likely to appreciate in value based on historical retirement data.
Comprehensive Search
Filter by piece count, minifigures, year, and theme to find the exact set needed for your display.
From the Journal
Expert insights and analysis for the modern collector.
The Ultimate Guide to LEGO Investing in 2026
Learn the key metrics for identifying sets that will appreciate in value after retirement, from minifig rarity to shelf-life cycles.
Understanding Price Per Piece: Is it Still a Valid Metric?
We dive deep into why the classic $0.10 per piece rule might be outdated and what modern metrics you should use instead.
Top 10 Ultimate Collector Series Sets Ranked
Which UCS sets offer the best display value? We rank the building giants on complexity, parts rarity, and shelf presence.