Bricks & GigglesSCAN. COLLECT. BUILD.

Buying & selling

Buying used LEGO sets: a completeness checklist

“Complete” can mean different things to different sellers. Before comparing prices, establish what is actually included and what has been checked. A clear description and a few specific photographs are more useful than a confident headline with no supporting detail.

THE USEFUL BIT

Confirm the exact set and physical copy, ask how completeness was checked, and record missing or uncertain details before agreeing on a purchase.

1. Confirm the exact set—not just the name

Ask for the set number and compare the model with the relevant instructions or catalogue. Similar subjects can appear in several releases, and a photograph of a familiar vehicle or building is not enough to identify the edition.

Check whether the photograph shows the actual item being sold. If a listing uses a catalogue picture, ask for current photographs of the physical model, figures and included extras. For a bundle, list each set separately so one complete model does not mask uncertainty about the rest.

2. Ask what “complete” was checked against

Find out whether the seller counted the parts against an inventory, rebuilt the model, or simply believes everything is there. Those are different levels of evidence. A built model can still be missing hidden elements, accessories or parts removed for display.

Ask about substitutions and damaged pieces as well as outright gaps. The wrong colour or a similar mould may make a model look finished without matching the intended inventory. Keep an explicit “not checked” state when there is no reliable count rather than turning an assumption into a completeness claim.

  • Main model and any side builds.
  • Correct colours and relevant mould variants.
  • Printed pieces, stickered pieces and accessories.
  • Missing, substituted or damaged elements.

3. Check minifigures individually

Request a clear photograph of all included figures and accessories together. Check head, torso, legs, headgear and any distinctive equipment against the expected configuration. Look for mismatched combinations rather than assuming the presence of the right number of figures proves they are correct.

Ask for closer photographs where condition matters. Cracks, worn prints, loose joints and damaged accessories can be difficult to see in a wide shot. If you cannot verify a component, record that uncertainty when evaluating the lot and when describing it later.

4. Separate the model from its extras

Record whether the instructions and box are included and what condition they are in. Check whether stickers are applied, missing, damaged or supplied separately. If a seller mentions spare pieces, ask whether they are original extras or replacements added to address missing stock.

Do not describe a used set as new because it has been carefully rebuilt or returned to its box. State what you know about its use, assembly and physical condition. For sets sold dismantled, ask how bags are labelled and whether figures and delicate elements are protected in the packing.

5. Compare like with like before deciding

Compare the exact edition and condition with relevant completed sales where available, rather than relying only on current asking prices. Consider missing items, shipping and any other known costs when deciding what the lot is worth to you.

Treat a possible resale margin as an estimate. A higher advertised price elsewhere does not establish that an equivalent set will sell at that price or within your preferred timeframe. Keep the purchase cost and later sale proceeds as separate records so you can assess the result after the transaction.

6. Record each physical copy after collection

Photograph the received set and compare it with the description before mixing any pieces into your general stock. Note the purchase date, cost, condition, missing items and storage location while the details are still easy to remember.

In Bricks & Giggles, keep separate copy details when you own more than one of the same set. One copy may be used and complete while another is incomplete or in a different condition. That distinction is useful when choosing a build, reviewing a value estimate or preparing an accurate sale listing.

Sources & further reading

Check the provider’s current guidance when identifying or comparing catalogue items.