What Is a Fair Price Per Pound for Bulk LEGO?

Bulk LEGO is sold by weight because counting it is not worth anyone’s time. That makes the per-pound price the number every buyer and seller argues about, and it is the number nobody can quote you honestly without knowing what is in the box.

Find the current price in about ten minutes

The only price that matters is what comparable lots have actually sold for recently, and that is public information you can look up faster than you can read an article about it.

• Search eBay for bulk LEGO lots by the pound, then filter to sold listings. Asking prices tell you what sellers hope for; sold prices tell you what buyers paid.
• Restrict the sample to lots like yours: similar weight, similar condition, same rough era, and the same answer on minifigures and Duplo.
• Take the median of at least ten sold lots rather than the average. One collector-grade lot at a silly price drags an average badly.
• Divide each sale by its stated weight before comparing, since listings run from two pounds to fifty.
• Note the date you did this. In six months it will need doing again.

Do that and you have a defensible figure for your lot, on today’s market, which is strictly better than any number someone else published last year.

The four things that actually move the price

1. Minifigures, and whether they are still in there

This is the single largest factor and the first thing an experienced buyer checks. Figures are worth several dollars each on their own, so a lot that has been picked over for them is worth substantially less per pound than one that has not, even though it looks identical in photographs. A seller who says "no minifigures" is being honest and should price accordingly; a seller who says nothing has usually pulled them.

2. Duplo, clone brands and non-LEGO contamination

Duplo is large and light for its volume, so a Duplo-heavy lot contains far fewer usable parts per pound than it appears to. Clone-brand bricks and unrelated toys are worse than filler because someone has to sort them out. Both belong in the price, and both are worth asking about before you buy.

3. Sorted or unsorted, and how clean

A sorted, washed lot commands a real premium because the buyer is paying for the hours that went into it. An unsorted bin with unknown contents is a lottery ticket and gets priced like one. Sun-faded white and grey parts, chewed pieces and sticker residue all pull the figure down.

4. Part mix

Technic pins and small plates are numerous and light, so a Technic-heavy lot has a high piece count per pound. Large panels and baseplates are the opposite. If you are buying to part out on BrickLink the mix matters more than the weight, and it is the reason a per-pound figure can only ever be a starting point.

Shipping is part of the price, and it is heavy

LEGO is dense. A twenty-pound lot is a genuine parcel, and on a cheap lot the postage can approach what the bricks cost. Work out the delivered cost per pound rather than the headline one, and be wary of a low per-pound price attached to a shipping charge that quietly makes up the difference. If you can collect in person, that is often worth more than a few cents a pound of negotiation.

Is sorting worth it? Put a number on your time

Sellers routinely assume sorting is free money. It is not: it is an hourly job, and the only honest way to decide is to price the hours. The arithmetic is simple enough to do on the back of an envelope.

Two things usually decide it. Pulling the minifigures and any obviously valuable parts is nearly always worth doing, because it is a small number of hours against a large share of the value. Sorting the remaining bricks by colour and type is the part that frequently does not pay, unless you enjoy it enough that the hours are not a cost.

From per pound to per piece

Buyers comparing a bulk lot against buying sets eventually want a per-piece figure, and that conversion needs a pieces-per-pound assumption. It varies enormously with the part mix, which is why the calculator treats it as an assumption you can change rather than a constant. Weigh and count a sample of your own lot if you want the honest number: a hundred parts on a kitchen scale takes two minutes and beats any published figure.

If you are pricing complete boxed sets rather than loose bricks, that is a different calculation. The LEGO price per piece calculator works from a set’s published piece count and the price you will actually pay, and what a good LEGO price per piece actually is covers why published averages disagree with each other.

A worked lot, start to finish

Suppose you are looking at a 20-pound unsorted lot. The seller is asking $6.00 a pound and charging $25 to ship it. Here is the whole evaluation, in the order an experienced buyer would do it.

The shipping has quietly added $1.25 a pound, more than a fifth on top of the headline price. That is the single most common way a bulk lot turns out worse than it looked. The per-piece figure at the end is useful for comparing against buying sets, but remember what it hides: none of those 5,600 pieces is sorted, some will be damaged, some may not be LEGO at all, and there are no instructions. A lower per-piece cost is buying you raw material, not models.

Why bigger lots usually cost less per pound delivered

Shipping does not scale evenly with weight. Couriers charge a base amount per parcel plus a weight component, so the fixed part is spread over more pounds as the lot grows. The effect is easy to see if you hold the asking price steady and change only the lot size.

On these numbers the 5-pound lot costs 22% more per pound than the 50-pound one, entirely because of postage. That does not mean the biggest lot is always the best buy. A 50-pound lot is a lot of LEGO to sort, store and resell, and if you only wanted a few pounds for a project, the saving per pound is irrelevant. But when you compare two listings, always compare them delivered.

How to sample sold listings properly

The ten-minute method earlier in this guide is only as good as the sample behind it. A few habits make the difference between a number you can trust and one that tells you what you wanted to hear.

• Use sold listings, never asking prices. Anyone can ask any price. Only completed sales show what buyers actually paid.
• Match the lot to yours. A 2-pound bag of loose bricks and a 30-pound tub are different markets. So are sorted and unsorted, and lots with minifigures versus lots without.
• Take at least seven or eight sales. One or two sales is an anecdote. You want enough that a single odd result cannot move your answer much.
• Use the median, not the average. Line the per-pound prices up from lowest to highest and take the middle one. One lot that sold high because it contained rare minifigures will drag an average up but barely moves a median.
• Stay in your own market and currency. Prices and shipping costs differ between countries, and a sale on the other side of the world is not evidence about what your lot is worth locally.
• Keep it recent. Weight the last few months over anything older. That is the whole reason this guide gives you a method instead of a number.

The average overstates the typical lot by about 12% here, because one sale was not really comparable. If you had set your bid from the average, you would have overpaid for an ordinary lot by that much. The median does the outlier-trimming for you without having to argue about which sales to exclude.

Measuring pieces per pound for your own lot

Every per-piece figure depends on a pieces-per-pound assumption, and a lot full of small plates and Technic pins behaves very differently from one full of large bricks and baseplates. The calculator uses 280 pieces per pound for standard bricks, 350 for Technic and 90 complete minifigures per pound. Those are working assumptions, not measurements of your lot, and it takes about two minutes to replace them with a real number.

This matters most when you are deciding whether a lot is good value per piece. If your sample comes out at 200 per pound rather than 280, every per-piece figure you worked out from the calculator's default was about 29% too optimistic. Ten minutes with a scale protects you from that entirely.

Red flags when buying bulk online

• Photos that show only the top of the pile. Ask for a photo of the lot spread out, or of a random scoop. Sellers put the interesting parts on top.
• The phrase "mostly LEGO". It means some of it is not. Clone bricks cost you sorting time and have to be thrown away or sold separately for much less.
• No mention of minifigures either way. Ask. A seller who pulled them first will usually say so if asked directly.
• Discoloured or yellowed bricks. Older white, grey and blue parts can yellow with sunlight exposure. Heavy yellowing reduces resale value and is hard to reverse.
• Sticker residue, marker, glue or paint. Glued models are a particular problem because separating them often breaks the parts.
• Smells. Smoke and damp are hard to remove from plastic and are worth asking about directly, particularly for lots coming out of storage.
• Large amounts of Duplo in a lot priced as regular LEGO. Duplo is heavier per useful piece and sells to a different market.

Cleaning a bulk lot without ruining it

Most bulk lots need washing, and the most common way people damage LEGO is by trying to wash it quickly. The LEGO Group's own guidance is short and specific: clean pieces "by hand using water no hotter than 104°F / 40°C and a soft cloth or sponge", and you can add a mild detergent as long as you rinse the pieces well with clear water afterwards.

• Separate out anything with electronics, stickers, printed fabric or metal before the rest goes in water. LEGO recommends wiping electronic and metal-containing pieces with a damp cloth and a mild detergent without perfume or oil rather than soaking them.
• Wash in batches in a mesh bag or colander so small parts do not go down the drain.
• Dry by spreading the pieces out on towels and leaving them to air dry. It takes longer than you expect, particularly for pieces with cavities where water sits.
• Count cleaning time as part of the sorting decision. Washing and drying a 20-pound lot is a real afternoon's work before any sorting starts.

Timing your own sorting speed

The sort-or-sell formula earlier in this guide needs one number nobody can give you: how many pounds you personally sort in an hour. It varies with the lot, with how finely you sort, and with experience, so the only honest source is a timer.

At 1.5 pounds an hour, sorting a 20-pound lot takes about 13 hours of work, before washing, for an illustrative gain of $80. Whether that is worth it depends entirely on how you value those hours. Sort a single pound with a timer running before you commit to the whole lot. It is the cheapest piece of information in this entire process.

The three ways to sell a lot, and when each fits

• Sell as-is, by weight. Fastest and least work. Right when the lot is ordinary, you have limited time, or you are clearing space rather than trying to profit.
• Pull the valuable parts, sell the rest by weight. Usually the best return per hour. Minifigures, obviously rare pieces and complete small sets come out; everything else goes as bulk.
• Part out individually. Highest total return and by far the most work, since every part needs identifying, pricing and listing. It suits people who already run a parts store and treat it as a business.

Whichever you choose, the marketplace takes a share, and on low-value lots fees and postage can take a surprisingly large bite. LEGO resale fees works through what eBay and BrickLink actually leave you, and the LEGO resale ROI calculator runs the numbers for a specific sale.

Buying bulk for a particular build

If you are buying bulk to build something specific rather than to resell, the per-pound price matters less than how much of the lot you can actually use. A random lot is mostly the wrong colours and the wrong shapes for any given model, so the honest question is how many pounds you need to end up with enough usable parts.

The spread in that last note is the point. Depending on how well a lot matches your project, the same 1,000-part build can need anywhere from about 7 to about 24 pounds of bulk. For a build that depends on specific colours or specialised parts, buying exactly those parts individually is often cheaper than buying enough bulk to contain them, and it saves you sorting 20 pounds of bricks to find them.

Where to go next

Two things routinely decide whether a bulk lot was a good buy after the fact. The figures are the first: LEGO minifigure value covers how to price them individually rather than counting them as bricks. The second is what a sale costs you, which LEGO resale fees works through for eBay and BrickLink with worked examples. If you are valuing a whole collection rather than one lot, how much is my LEGO collection worth covers the four different methods it takes.

Common questions