If you have any of these kits in your collection, you might be sitting on plastic brick gold! Check out the most valuable LEGO sets!
Welcome in, brick enthusiasts! If you’re like us, you know the joy of putting the final brick into a complex LEGO set (or a not-so-complex one; simple joys are important, too). Taking a set from a pile of colored bricks to, say, a bust of Darth Maul or a thriving Martian station is one of the most exciting things in the world.
However, the sets can get a little pricey, especially as they phase out of rotation. Moreover, a few sets shoot WAY up in price, whether from desirability, scarcity, or a combination of both. Some of those kits are worth a small fortune these days, and if you happen to have one, you could make a pretty penny from the most valuable LEGO sets out there.
We’re skipping over tour exclusives and nearly impossible to get promos – all of these sets hit retail and were accessible by everyday fans.

#5: LEGO Monorail Airport Shuttle (6399)
The LEGOLAND theme was introduced in 1970; it includes everyday buildings like homes, firehouses, cars, transport ships, trucks, shops, and airports. It eventually became the City theme we know today. This set added a moving element with a 9v motor and battery box in the shuttle’s lead car. The monorail can be expanded with a separate accessory track set that includes the first switch track LEGO ever made.
Current Value: $4,630
#4: LEGO Pirates – Skull’s Eye Schooner (6286)
The LEGO Pirates set first appeared in 1989. It was one of the first sets released after the original LEGOLAND series in the 1970s. The original pirate ship from the set, the Black Seas Barracuda, would be assumed to be the most expensive kit. However, that prestige instead falls to the Skull’s Eye Schooner, which was released in 1993. It is one of the most iconic kits from the theme and the most valuable LEGO pirate set. Many who think of LEGO Pirates are thinking of this kit.
Current Value: $5,241.43
#3: LEGO Electric Goods Train Set (7730)
We haven’t seen a lot of train sets recently, especially ones with motors, but they were once a big part of LEGO’s lineup. This set, inspired by a German locomotive built in the late 1920s, hit shelves in 1980. The steam engine pulls three cars: a coal hopper, a boxcar with sliding doors, and a flatbed with tanker-style silos. It moves via a 12V motor in the engine that gets power by electrified rails.
Current Value: $5,728

#2: LEGO Castle (375-2)
Several iconic LEGO kits have risen over the years. However, few are as recognizable as the banana-yellow medieval stronghold, the LEGO Castle. It was one of the first kits and remains a fond memory for older LEGO fans. While it hasn’t stood the test of time thanks to its odd coloration, it remains a high-value collector’s item.
Current Value: $8,343

#1: LEGO Star Wars Cloud City (10123-1)
LEGO Star Wars has been one of its most successful brands to date. From the massive Death Star to the imposing Star Destroyer, LEGO’s adventures in a galaxy far, far away are some of their best available kits. However, it may surprise you that neither of the aforementioned kits are chart toppers when it comes to long-term value. Instead, the top spot belongs to the humble Cloud City kit. While there have been many sets featuring the iconic Bespin base, the OG makes it on the most valuable LEGO sets list.
As with all things collectible, the LEGO market is highly volatile. However, the Cloud City kit has seen the greatest variance in price since its initial release in 2003. It includes seven minifigs that are exclusive to the set, which adds to its value.
Current Value: $15,482

All price data is from BrickEconomy for new, sealed sets.
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From North Carolina to Texas and back to North Carolina again, Clint lives the life of a traveling artist. An avid gamer, writer, actor, pyrotechnician, and general nerd, he has finally turned his love of EDH into a career. When not busy being a clueless cowboy, Winterfell Bannermen, or whatever else acting life throws at him, he enjoys reading folklore from around the world, writing narratives for his Wargaming armies, or running D&D 5e games as a professional DM. Look for his storytelling podcast, By the Dancing Fire, or find him on Twitch at FeybornPhyrexian, where he produces MTG content.
Managing editor and pop culture writer that has been on the BoLS team since 2012. Vertigo Comics, Batman, and dystopian sci-fi fan. Enjoys bad movies, LEGO Technic, and the internet. Hates rom-coms. (she/they)
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