These colorful Danish bricks, originally created in 1936, are among the most beloved and popular building toys.

So lets take a deep dive into how to turn your old toys into someone elses treasure.

How Much Are Old Legos Worth?

Astronaut Legos against a blue lego background.

See our recommendations forclassic toysthat have stood the test of time, including Hot Wheels, Beanie Babies and more.

This is the million-dollar question, so to speak.

How much is your old Lego collection worth?

To glimpse what used Lego sets might be worth, check out the Lego websiteBrickEconomy.

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You dont even need rare Legos to get a good return on your investment.

Once Lego discontinues sets, those old Legos sometimes double in value.

Probably not as good as youd like.

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It always seems like an uphill battle to build (and keep) a decent amount in savings.

But what if your car breaks down, or you have a sudden medical bill?

When the set was discontinued from toy stores in 2021, it cost $199.

The annual gain on an old plastic brick is one many financial advisors would envy.

Sort Your Legos

The first step in the process to sell Lego bricks involves figuring out what you have.

Go through your collection and sort your Legos into the following categories.

Filter out the damaged or off-brand bricks, but save individual pieces.

Several online sites offer options for selling Lego bricks by weight.

As most collectors know, Legos only cost what someone is willing to pay.

Search through themost wanted setsto see whats going to sell.

you’re free to also find the most valuable set lists on Bricklink andBrick Economy.

If you plan to sell loose bricks for money, sort them by color and shape.

Hint: This is a great job to keep kids busy for a few hours.

Assemble Your Legos

Assembling used Lego sets has two purposes.

First, youll want to have them assembled to take photos for the listing.

Second, the best way to determine if your set has pieces missing is to put them together.

Some sets, such as theLego Creator 3in1, have multiple builds, so get busy with those bricks.

Photograph Your Legos

The professional advice of secondhand sellers holds true with Legos as well.

Listings with photos (or even better, videos) sell faster and for higher prices.

So take your time and carefully catalog and photograph any imperfections.

List Your Legos

A detailed listing is a must for Lego collectors.

Ship Your Legos

Get those bricks in the box and out the door quickly.

The key to getting a good price is to decide which site specializes in what you have to offer.

This is especially true if you have a bunch of rare or high-value, discontinued Lego sets.

Fair warning, but getting approved as an Amazon seller can be complicated and time-consuming.

Facebook folks love a deal and might be willing to overlook some damage or missing pieces to get it.

Just detail imperfections and note that youre firm on price to cut down on inquiries.

However, Brick Owls bread and butter are Lego minifigures that crowd everyBrick Owl collectors wishlist.

Declttr

Best for selling Lego bricks

Not willing to sort and photograph piles of random Legos?

Bag those bricks, weigh them and hop on over toDeclttr.

Theyll buy Legos, plus other random stuff, for up to $1 per pound.

Toys like Legos are always hot commodities at yard sales.

If you have enough rare or discontinued sets, you could justify getting your own stall at flea markets.

In some cases, like theLego Monorail Airport Shuttlefrom 1990 (valued at $3,989), literally.

Kaz Weida is a senior staff writer at The Penny Hoarder covering saving money and budgeting.

It sounds appealing right?

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