The Brick Market Blog
Market intelligence for LEGO collectors
Investing playbooks, retirement watchlists, and pricing deep dives. New articles every week.
How to Spot Fake and Resealed LEGO Sets Before You Buy
Fake LEGO sets, how to tell: seal types by era, weight checks, box printing tells, the Lepin story, and a checklist for buying sealed sets safely.
Read articleDo Big LEGO Technic and Icons Sets Appreciate? A Data-Driven Look
LEGO Technic supercars and Icons vehicles look like grails but post mixed returns. What the data says about 42083, 42115, 10265, and when to buy.
ReadHow LEGO Set Prices Are Actually Determined: A Guide to Market Data
Where LEGO price guides get their numbers: BrickLink sold data, eBay comps, part-out value, and why two price guides rarely agree on the same set.
ReadMinifigure Investing: Tiny Plastic, Serious Returns
Rare LEGO minifigures have outperformed the sets they came in. Mr. Gold, SDCC exclusives, Cloud City Boba Fett, and how to invest without getting burned.
ReadBrickCheck Is Live on the App Store and Google Play
BrickCheck, the LEGO collection value tracker, is available free on iOS, Android, and the web, with optional Pro for alerts and analytics.
ReadBest LEGO Collection Tracker Apps in 2026 (Compared)
Compare LEGO collection trackers in 2026: BrickCheck, Brickset, BrickLink, and spreadsheets on price feeds, sealed/used, scanning, alerts, and cost.
ReadLEGO Price Alerts: How to Know When to Buy, Hold, or Sell
Use LEGO price alerts without the noise: threshold vs percent change, retirement timing, buy and sell targets, and how to avoid alert fatigue.
ReadHow to Scan LEGO Box Barcodes and Build Your Collection Inventory
Scan LEGO box barcodes with your phone to build a collection inventory fast. What barcodes encode, when set-number search is better, and reseal caution.
ReadHow Much Is My LEGO Collection Worth? (And How to Find Out Fast)
A practical guide to valuing your LEGO collection: sold vs asking prices, sealed vs used, spreadsheet vs app, and the insurance angle.
ReadHow to Store Sealed LEGO Sets So They Hold Their Value
How to store LEGO sets the right way: stop UV yellowing, control humidity, protect boxes, avoid shelf crush, and insure a growing collection.
ReadLEGO Modular Buildings: The Blue-Chip Assets of Brick Investing
LEGO modular buildings are the steadiest appreciators in the hobby. The Café Corner story, the annual cadence, and why modulars hold value.
ReadSealed vs. Used LEGO: How Condition Affects Your Collection's Value
Sealed LEGO sets can be worth 2-3x their used counterparts. Learn NISB and MISB grading, box condition tiers, and how condition drives value.
ReadHow to Track Your LEGO Collection's Value Like a Stock Portfolio
Turn your LEGO shelf into a portfolio: track cost basis, unrealized gains, and CAGR, diversify across themes, and pick the right tracking tools.
ReadWhere to Sell LEGO Sets in 2026: BrickLink vs. eBay vs. Everything Else
The best places to sell LEGO sets in 2026, with real fee comparisons for BrickLink, eBay, Facebook, and more, plus how to ship sealed sets safely.
ReadThe Best Retired LEGO Star Wars Sets Every Investor Should Know
Retired LEGO Star Wars sets have minted real returns. The UCS sets, minifigure grails, and market forces every brick investor should know.
ReadLEGO Set Retirement: How It Works and How to Spot Sets About to Retire
Every LEGO set retires eventually. Learn the set lifecycle, the signals a set is retiring soon, and what happens to prices after retirement.
ReadLEGO Investing 101: Why Sealed Sets Have Outperformed Stocks
Research shows retired LEGO sets have returned roughly 11% a year. Here's how LEGO investing works, the real risks, and how to get started.
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