How to Manage Your LEGO Collection in BrickLink: My Collection, Wanted Lists and Missing Parts
How to use BrickLink for collection management: My Collection, Brickset/Rebrickable imports, part-out and Wanted Lists for missing parts. Part 3 of 3.
How to Check Whether a Used LEGO Set Is Complete Before You Buy
A practical checklist for checking whether a used LEGO set is really complete before you buy, including inventories, minifigures, stickers, instructions and replacement costs.
Why Does One LEGO Piece Have Several Numbers? Design ID vs Element ID Explained
LEGO parts can carry several different numbers. Here is how Design ID, Element ID and BrickLink Item Numbers differ — and which one to use when identifying or replacing a part.
How to Tell Whether a LEGO Piece Is Genuine: Markings, Part Numbers and Common Traps
A practical guide to checking whether a used LEGO piece is genuine by comparing molded markings, part numbers, catalog entries and known mold variants.
How to Value a Used LEGO Set: Condition, Completeness and Real Sold Prices
A practical method for valuing a used LEGO set using condition, completeness, BrickLink Price Guide sold data and comparable market transactions.