The Part Out Value tool calculates the estimated value of all the parts in a LEGO set if sold individually.
Watch the Buy or Pass tutorial
Learn how to enter a set and purchase cost, choose a price guide and condition, and use the report card and parts breakdown to assess a potential purchase.
Watch on YouTube (3:08)BrickLink API Required
This tool requires BrickLink API credentials. If not configured, a warning banner will appear at the top with a link to Settings. The Calculate button will be disabled until credentials are added.
- Search for any LEGO set by number to see its part-out value based on current market prices.
- Compare the part-out value against the set's retail or second-hand price to decide if it's worth parting out.
- After calculating, a report card grades the set (A–F) with a verdict: Strong Part-Out, Consider, or Skip.
- The report uses five factors: value ratio, demand (90-day sales), new listing opportunity, low-stock gaps, and overstock/dead-stock risk. Dead stock means for-sale on-hand with no sales in the last 180 days.
- The parts table shows sold quantities (30d/90d), for-sale on-hand, per-lot status, and a warning when parting out would exceed your max stock target.
Part-Out Analysis Settings
Customize thresholds in Settings → Part-Out Analysis:
- Desired part-out value — default 300% (3× purchase cost). Sets at or above this get a Strong Part-Out verdict.
- Consider value ratio — default 200% of purchase cost.
- Target stock multiplier — default 1× units sold in 30 days (low stock when below).
- Max stock multiplier — default 3× sold (30d); parts above this are overstock.