Undoubtedly, the most expensive Lego sets are the nuggets you need to hold in your portfolio as a Lego investor for the adult market.
Topping the price list is the magnificent Lego Taj Mahal set comprising 5923 bricks and whose production goes back in 2008.
At one point the estimated market value of this beauty of a set was over $3000.
Keep in mind that Lego has re-released some sets so the value can take a nosedive as the supply and demand changes like any investment.
We put together a list of some of the most expensive Lego sets. We based it mostly on the highest piece counts as that is a heavy determinant of cost of Lego sets especially once they retire.
Piece count is a good indicator of helping you determine if this is good to invest in this set while it is still on the shelves.
Top 3 In Our Lego Investment Portfolio
- This is a must add for any Lego Star Wars Fan
- Rome wasn’t built in a day and neither will this be..add it to your portfolio before it retires.
- Made the Kessel Run in less than twelve parsecs, so must be good as a lego investment
List of Most Expensive Lego Sets
This Lego set number 71043 is a massive castle comprising four minifigs and 6020 pieces. The Castle measures 22 × 27 × 16 inches.
It’s built on a theme of the mysterious pupillage for witchcraft and comprises halls, movable staircases, classes for making portions, and other subjects of protection against the forces in darkness.
Aside from an icon Lego set for investment, it infuses the prowess of the Harry Potter series of fictional characters with wizarding and as far as your imagination can thrive.
It’s an ideal fit with other Harry Potter toys you can find around.
The LEGO Colosseum is a delightful piece that hits one of the biggest Lego sets. A record number of pieces with 9036 brick pieces. Also, it scores the history of the most extensive set ever as of September 2020.
It mimics the amphitheater in the ancient Roman Empire and every minute detail in the collection strives to the reality of the actual structure, which remains a favorite amongst history.
Entirely, it’s a model set for adult series who aspire for fun aligning to the architectural niche. It composes three stories with columns of the three orders Corinthian, Doric, and Ionic.
The retail value of this set is checking in at over $549 if you can find this modular building series at retail cost on Amazon or Lego.com.
This makes the list purely because of the sheet number of pieces. Its value will undoubtedly climb once it retires.
LEGO Ultimate Collector’s Star Wars are about the theme – people defending your galaxy and Luke Skywalker saving Princess Leia.
The Lego Millennium Falcon makes your fun move to other levels here for leisure. In total, it comprises 7541 detailed pieces for a display piece series for adult fans. (Maybe your kids can attempt to build it, but mine can’t).
You might think this is a ton of pieces (it is), but it is only the second-largest Lego set at the time this was written
Indeed, it’s not the largest of the Star. Wars series. The exterior details are far too unique compared to any other set within the Millennium Falcon series.
Part of the interior sections comprises the cockpit, top-most gunnery section, the rear compartment, and the main hold.
Millennium Falcon Star Wars are built to mimic movies within the genre and still impressive as stand-alone toys.
A set will cost you over $1000 if you are lucky to grab one.
Ninjago City gardens are fun to build and play series and whose focus was celebrating the 10th anniversary. It checks in a whopping 5,685 pieces.
You’ll find a total of 19 Mini figures which helps infuse creativity via many role players.
For uniqueness, building the set with the fiction behind Ninjago City makes a lot of sparkling engagement.
As a birthday present, the Lego set – Ninjago City is a perfect gift for bonding. People can best play it together for that special day for a parent-child relationship with unlimited hours of fun.
When fully built, Ninjago city puts an impressive view comprising three complete stories.
This will be a highly coveted set once it retires since the amount of unique mini figures is plentiful.
The retail price is about $300, but expect its value to climb.
Harry Potter edition is a superb creation of the Diagon Alley comprising various buildings along a market street. Three buildings and, in detail, 11 Mini figures. The three include a Wand shop, an Ice cream parlor, and a stationers shop.
But you can find everything from the three shops – from a broomstick to assortments for wizardly concoctions.
Note that Diagon Alley spans over a meter in length, but you can tweak it to fill your imagination between the three buildings.
The entire set is laced with bright and blending colors to fit into a fascinating build, right from start to finish—the cost for one goes at somewhere north of $500.
This is a unique creation from among the Star Wars series, though manufacturers ceased production of it. With such insider tips, you can watch out for this rare collection and nature it among your portfolio of investments.
It’s among the gigantic star warships with guns that swing around 360 degrees. It also has swappable deflector dishes massive exhausts for its engines and a very sophisticated gray surface for its formation in bricks.
Falling among the giant Legos in size, you need pretty good space to store or built and display this In total. The composition is two minifigs and 4784 pieces.
You might be able to find this awe-inspiring Lego set for somewhere north of $850.
Who you gonna call? This Lego set is an enigma of the firehouse headquarters Lego creation comprising 4634 pieces in 9 minifigs.
The fictional characters include a set of 4 ghostbusters, one receptionist, and two neighbors.
Bizarre characters include a driver who dabbles up as the weird driver. Also, there is a ghost library and two more ghosts with sparkling brightness.
For your information, these building sets are already retired from the Lego store. More interestingly, the Firehouse comprises an optional hinge in which players can peep inside to make the play more enjoyable.
There’s also an ECTO-1, sold separately but fits in well.
This set is hovering in the $1000 range if you can locate one in mint condition.
The LEGO Architecture creation revolves around the magnificent design of London’s bridges – including the drawbridges. Appearing asset number 10214 and in total comprises 4287 pieces.
Quite uniquely, it also falls among those of a sole mini figure.
Complete built spans over one meter long – so you require an excellent spacious environment for ample display. But, you may dismantle it into several pieces to ease transportation from one point to another.
The bridge should resemble reality when finally built – so you require few vehicles to make everything in place. This set stuck around for quite some time, so its investing in this Lego set was a definite long term hold.
You can find cool Lego somewhere above $400.
It is a release from July 2016 onwards for the tourist spots in London series the Elizabeth Tower, and you may also refer to it as Big Ben. There is another Big Ben set, but this one is much larger and more pieces than its predecessor.
This London wonder comprises a total of 4163 pieces, and also among those without a single mini – figures.
The dimensions comprise a height that’s past half a meter for the real tower. One of its unique features is the clocks whose hands for the hours and minutes are movable.
The cost of this one chimes in at above $700.
Towards the last quarter of 2017, a new series rolled out with a genre aligned to roller coasters.
Massive productions hit the markets in time for the summer of a boom of 2018 & 2019.
This iconic Americana set 10261 check in with 11 minifigs and a total of 4124 pieces.
Its dimensions are 20×34×16 inches, plus it has a fully functional chain-lift, a couple of trains, and each has three train cars.
Owning a valuable piece of this creator roller coaster will cost you more than $350.
This is the second release of the Death Star (Death Star II – 10143 RRP) but with a few additions, which increased the total bricks counts by only 87.
Official details are: set number 75159 in 27 minifigs (including Obi-Wan Kenobi) with a total of 4016 pieces.
More advances include the set fittings, including an advanced fighter – the Darth Vader’s TIE, apart from the increased bricks.
The manufacturers use high-quality printing techniques for the piece with the highest number in minifigs – 27 of them.
The dark side commands at least $1000 credits to purchase this mint in box set.
The Assembly Square falls in at number twelve within the Lego set – Modular buildings range. It is among the biggest in the edition and whose central theme was to celebrate the first decades anniversary.
A fan of the assembly square comprises everything: a bakery, stores for music, flowers, dentists, and a photography studio.
Also, you have one building that has access to the rooftop, which dabbles as the barbecue terrace. Fit this one next to your Café Corner and you will have a high priced town square.
The stunning creation has set number 10255 and involves 4002 pieces in 9 minifigs.
It’s a September 2016 release and will cost you at least $400. Disney Castle borrows much from the fiction Disney world, featuring Donald Duck, Mickey Mouse, Daisy, Minnie Mouse, and the Tinkerbell minifigs.
The castle is a mimic of the Cinderella Castle, which is part of the Disney Resort company.
It falls among the most extensive sets in the series, with 4043 bricks and five minifigs.
The Castle’s main building features a hall with curved staircases, a floor with mosaic tiles, amour suits, an ornate chandelier, a grandfather clock, and a vase with variable flower elements.
This probably is not a set I would invest in at least right away since it seems to have avoided average retirement
Investors in the Lego sets know that a great one is worth hundreds of dollars and sometimes thousands of dollars. The idea is to obtain the original model sets at a very low original price and at the right time.
Over time and with limited production, the prices rise in the secondary market. You have an opportunity to sell at insane prices.
Massive investment opportunities exist for toy companies that have the chance to make stuff for fascinating children and adults themes as well.
Surprising things happen, and situations work favoring a set under your custody. It’s your opportunity to sell out and reap the gains.
The key to Lego flipping like the big boy is to Buy and hold for future money.
What is the most expensive Lego set in the world?
The most expensive Lego set in the world is the Lego Star Wars UCS Millennium Falcon.
Which Lego sets will be worth money?
Any set worth money is a culmination of many factors, and they include:
- A dollar investing today will typically yield a $1 to $3 in 2-3 years time with most Lego sets.
- A mixed portfolio of Lego sets will do better over time than going all in on 1 particular set.
- Stay away from investing in sets that everyone is talking about..trust me.