15 Biggest LEGO Sets Ever Made of 2021


More than one generation of kids has grown on legendary Lego construction toys. Lego company exists since 1932 and make the best constructors in the world. The best and the biggest ones you would ever buy. By talking about the size of constructors we mean not only the size of a model created in result but number of included pieces. The biggest constructors contain over 5000 pices and it will take you at least a month to build such construction set. So, here are top 15 best construction sets for 2021.

15 Biggest LEGO Sets Ever Made of 2021

The word ‘Lego’ is the abbreviation of the Danish words ‘leg godt’, meaning ‘play well’. Lego has been intensely popular among both adults and children since 1932. It has even spawned its own movies of late. Listed below are 15 of the biggest LEGO sets ever made.

Biggest LEGO Sets Ever Made Comparison (Data for 2020):

LEGO set Pieces Year Product Line (LEGO Theme) Item Weight Price
LEGO Star Wars Ultimate Millennium Falcon Ultimate Millennium Falcon 7,541 2019 Star Wars 29.60 lbs $799.99
LEGO Harry Potter Hogwarts Castle Hogwarts Castle 6,020 2018 Harry Potter 16.22 lbs $399.99
LEGO The Taj Mahal The Taj Mahal 5,923 2008 Creator 14.08 lbs $399.99
LEGO Harry Potter Diagon Alley Diagon Alley 5,544 2020 Harry Potter 14.64 lbs $399.99
LEGO Star Wars Ultimate Collectors Millennium Falcon Ultimate Collectors Millennium Falcon 5,197 2007 Star Wars 23.59 lbs auction
LEGO NINJAGO City NINJAGO City 4,867 2017 NINJAGO 13.56 lbs $649
LEGO Star Wars Ultimate Collectors Imperial Star Destroyer Ultimate Collectors Imperial Star Destroyer 4,784 2020 Star Wars 27.36 lbs $699.94
LEGO Ghostbusters Firehouse Ghostbusters Firehouse 4,634 2016 Ghostbusters 13.98 lbs $779
LEGO Creator Tower Bridge Tower Bridge 4,295 2011 Creator 9.26 lbs $270
LEGO Creator Big Ben Big Ben 4,163 2016 Creator 7.91 lbs $699
LEGO Creator Roller Coaster Roller Coaster 4,124 2019 Creator 16.02 lbs $510
LEGO Technic Liebherr R 9800 Excavator Liebherr R 9800 Excavator 4,108 2019 Technic 17,66 lbs $439
LEGO The Disney Castle The Disney Castle 4,080 2016 Disney 12.70 lbs $549.95
LEGO Technic Rough Terrain Crane Rough Terrain Crane 4,057 2018 Technic 12.94 lbs $280
LEGO Star Wars Death Star Death Star 4,016 2019 Star Wars 18,67 lbs $645


LEGO Star Wars Death Star – 4,016 pieces [ buy this LEGO set ]

Recreate some of the best scenes from Star Wars with LEGO Star Wars Death Star #75159. This big Lego set comes with 4016 pieces and is priced at $499.99 and comes with intricate galactic environments, 23 iconic mini-figures, and 2 Droids.

LEGO Star Wars Death Star

With significant locations and features from Star Wars: Episode IV A New Hope and Star Wars: Episode VI Return of the Jedi, it measures over 16” high and 16” wide when complete And for the creative minds, the LEGO Star Wars toys are all compatible with this. For all the Star Wars and LEGO building experts over 14 years, LEGO Star Wars Death Star #75159 would be an experience that’s beyond ordinary.

LEGO Technic Rough Terrain Crane – 4,057 pices [ buy this LEGO set ]

Nothing taps the young mind’s engineering and tech potential that LEGO’s Technic series. With an emphasis on technical and engineering aspects of real-life vehicles, the LEGO Technic Rough Terrain Crane #42082 is another stellar offering.

LEGO Technic Rough Terrain Crane

Battery-powered and capable of performing locomotive and constructive functions, this 4057-piece wonder was created by the best minds in the Danish toy company in 2018. Challenging the tech capabilities of LEGO hobbyists, the set comes at $280 and spans 20 cm wide, 27 cm high, and 76 cm long.

The technic rough terrain crane isn’t just a wonderful display, but also comes with “Power Functions.” With a possibility to create a Mobile Pile Driver as well, this tech wonder in typical red and black color is a fun and challenging chance for young minds to explore their engineering interests.

LEGO The Disney Castle – 4,080 pices [ buy this LEGO set ]

Now is the time to bring your Disney fantasy to life with LEGO The Disney Castle #71040. Coming with 4080 pieces, it makes for a detailed structure that gets over 2 feet in height, 18.8” (48cm) wide, and 12” (31cm) deep. Plus, this massive box with a Lego set for the Disney fans also has some hidden elements. Just pick up the roof section, and thank us later.

LEGO The Disney Castle

With 5 mini-figures that include Mickey Mouse, Minnie Mouse, Donald Duck, Daisy Duck, and Tinkerbell, it is a realistic build for hours of family time and many more hours of role-playing fun.

LEGO The Disney Castle

The set comes with a four-story main building and five-story golden spiral towers with assorted Disney elements and rooms. Plus, you can also launch the fireworks from the golden tower. Age-appropriate elements for 16+ Disney fans, The Disney Castle #71040 is a treat to the eyes and well, of course, an utter solace to the fairy tale loving heart.

LEGO Technic Liebherr R 9800 Excavator – 4,108 pices [ buy this LEGO set ]

LEGO Technic Liebherr R 9800 Excavator #42100 is a treat for all those who love machines. A heavy-duty offering with 4,108 pieces and priced at $450, it takes inspiration from the Liebherr hydraulic excavator that’s an important part of the mining industry.

LEGO Technic Liebherr R 9800 Excavator

Impressive visuals and its technological prowess make it worth the dent that it creates in your wallet. And guess what, it can be controlled from a smartphone too. It comes with a fancy and functional LEGO Technic Control+ App. You can connect it with 2 Smart Hubs through Bluetooth and run the vehicle using preset commands.

Measuring over 39cm high, 65cm long, and 27cm wide, it no doubt is LEGO’s most realistic and technologically impressive offering. A treat for the tech geeks looking for building something humongous with bare hands.

LEGO Creator Roller Coaster – 4,124 pices [ buy this LEGO set ]

In 2018, LEGO brought all your dreams of an in-house roller coaster come true with the LEGO Creator Roller Coaster #10261. With two trains and 3 cars in each of them, the ultra-realistic model is an absolute delight for the skilled builder. Packed with authentic details and a working chain lift model makes you in charge of creating a superb roller coaster ride. To keep your creative insights in overdrive, the set comes with a 44-piece track and 7 rail elements. Plus 7 mini-figures to populate your roller coaster and the adventure park that it stands in.

LEGO Creator Roller Coaster

Measuring 20” (53cm) high, 34” (88cm) wide, and 16” (41cm) deep, the $379.99 set comes with 4124 pieces to make sure you have a life-like roller coaster for display. And it can be motorized with LEGO® Power Functions 8883 medium motor and 88000 AAA battery box.

LEGO® Power Functions and LEGO BOOST can also come in as handy upgrades for your LEGO Creator Roller Coaster #10261 if you want realistic sound effects and chain lift automation.

LEGO Creator Big Ben – 4,163 pices [ buy this LEGO set ]

If you can’t get enough of London, here is the Big Ben set for you in all its characteristic splendor . And that is only because of the famed detailing of the LEGO sets, here in the form of a sculpted façade with windows, statues and shields, the cherry-in-the-pie clock tower with its golden spires and awesome design, the Ayrton Light, and 4 beautiful clock dials with functional hands. There is also the 96 meters neo-gothic Elizabeth Tower, complete with the adjoining east wing of the Palace of Westminster.

LEGO Creator Big Ben

To complete the London flavor , there is an adjacent grass area, trees and a sidewalk to depict the location of the building. As an added bonus, you get to see the Big Ben bell once you remove the top of the tower (yes, we did mention detail).

LEGO Creator Big Ben

This set is for toddlers aged 3 and above who are just starting out with LEGO, and has 4163 parts in all. Being 60 cm high, 44 cm wide and 20 cm deep after completion, it is one of the bigger LEGO models.

LEGO Creator Tower Bridge – 4,295 pices [ buy this LEGO set ]

Here is another iconic landmark to add to your collection. Featuring advanced building techniques and rare colors and elements, the Tower Bridge set comes with its pair of towers and a drawbridge that you can actually open. It also has 4 mini vehicles – a London taxi, the classic red double-decker bus, a yellow truck and a green car. The bags in the box are deliberately left unmarked to make this more interesting for older LEGO enthusiasts in the 16 to 20 years age group.

LEGO Creator Tower Bridge

A completed model of the LEGO Tower Bridge would be 40 inches in length, 17 inches in height and 10 inches in width.

LEGO Creator Tower Bridge

LEGO Ghostbusters Firehouse – 4,634 pices [ buy this LEGO set ]

With over 4,600 pieces, you can recreate some of the legendary Ghostbusters moments with the 3-storey Firehouse Headquarters featuring a lab, a containment unit for you to put in Slimer (yes, he is there), a darkroom, a garage bay, an office area, sleeping quarters, a bathroom, and a recreation room. It also includes the 9 minifigures of Egon Spengler, Louis Tully, Peter Venkman, Winston Zeddemore, Dana Barrett, Raymond Stantz, Janine Melnitz, the Zombie Driver and the Library Ghost (who is an old lady with a double-sided face), in addition to Slimer, Blue Ghost and Pink Ghost.

LEGO Ghostbusters Firehouse

To get the right feelz , you can suspend the ghosts on the exterior of the building with transparent arms. There is also a host of other features. The LEGO Ghostbusters 75827 Firehouse Headquarters Building is over 14 inches in height, 9 inches wide (which doubles up when you open the walls) and is 14 inches deep. The doors of the Headquarters can be opened to fit in the 21108 LEGO Ideas Ghostbusters Ecto-1.

LEGO Ghostbusters Firehouse

LEGO Star Wars Ultimate Collectors Imperial Star Destroyer – 4,784 pices [ buy this LEGO set ]

The most feared galactic empire is now yours to build. With LEGO’s Ultimate Collector Series Imperial Star Destroyer #75252, you can build the military unit of the empire that Sith created in the Star Wars Universe. And this really big LEGO with 4784 pieces is an intricate built with surface design, sharp triangular shape, and a grey color base that takes you to space.

LEGO Star Wars Ultimate Collectors Imperial Star Destroyer

Ranging between 2 to 3 wide when completely built, it is likely to keep you busy for up to 20 to 50 hours. And well, entertained forever. Priced at $700, the Imperial Star Destroyer #75252 makes for an attractive display and something that people won’t be able to take their eyes off.

LEGO Star Wars Ultimate Collectors Imperial Star Destroyer

Make sure you have a perfect display place to give the monstrous giant the space that it deserves.

LEGO NINJAGO City – 4,867 pices [ buy this LEGO set ]

The LEGO NINJAGO City #70620 with 4,867 pieces is all that you need for building your own Ninja dream. Measuring over 24” (63cm) high, 12” (31cm) wide, and 16” (42cm) deep when completely assembled, the 3-level model lets you enact and relive some of the most iconic scenes from THE LEGO® NINJAGO® MOVIE™.


And if you think it’s just building a building with blocks, be told that there is something (actually a lot!) on each floor. Each of the three floors comes with shops, buildings, and residential structures to give the completed model a realistic Ninja city vibe.


A wholesome building adventure awaits you with 16 mini-figures to populate the piece.

LEGO Star Wars Ultimate Collectors Millennium Falcon – 5,197 pices [ buy this LEGO set ]

LEGO has an intense fascination for Star Wars, and what better way to celebrate it than with the most important and famous vessel in the Star Wars universe? With 5197 pieces, this was the biggest ever LEGO model when it released in 2007 and it was noted as one of Lucas Licensing’s favorites. Keeping up with the grandeur, this measures 33.1 inches in length, 22.2 inches in width and 8.3 inches in height.

LEGO Star Wars Ultimate Collectors Millennium Falcon

The cockpit top can be removed to access the minifigures of Han Solo, Chewbacca, Obi-Wan Kenobi, Luke Skywalker and Princess Leia Organa. The guns in the top and bottom turrets are rotation enabled, and the top gun turret can be removed to accommodate mini-figures. Intended for ages 6 years and above, this is one of the pieces that inculcate discipline, organization and observation in the builder.

LEGO Star Wars Ultimate Collectors Millennium Falcon


LEGO Harry Potter Diagon Alley – 5,544 pices [ buy this LEGO set ]

For all the 16+ Harry Potter fans, LEGO launched in 2020, Britain’s biggest and the most badass shopping street – the Diagon Alley. Over a meter long, measuring over 11” (29cm) high, 40” (102cm) wide, and 5” (13cm) deep, Diagon Alley #75978 is where you’ll find all that you need to rock the year at Hogwarts.

LEGO Harry Potter Diagon Alley

This 5544 piece set is a great gift for any Harry Potter fan. Whether it is for display or you want to build exciting narratives around the magical shopping street, the set has all that you’d need.

LEGO Harry Potter Diagon Alley

You get 4 exclusive mini-figures of Gilderoy Lockhart, Florean Fortescue, Lucius Malfoy, and the Daily Prophet photographer in the set, and it needs no batteries. The Diagon Alley set is 100% hand-powered (the hat lifting entrance to the Twin’s Weasley’s Wizard Wheezes too!) Get ready to tap the brick wall in Leaky Cauldron pub today.

LEGO The Taj Mahal – 5,923 pices [ buy this LEGO set ]

This is an exclusive chance to build one of the wonders of our world for the experienced builders who can use the advanced building methods , and focus on very minute and real nuances of architecture. It features details like base, domes, minarets, finials, stairs , and arches.

LEGO The Taj Mahal

With 5,922 pieces, it features the largest number of elements in one set and has to be assembled in 3 sections for easy transportation (though many have reviewed that some pieces cannot be assembled). It has a width of over 20 inches and is over 16 inches tall. This set is r ecommended for those over 14 years of age.

LEGO The Taj Mahal

LEGO Harry Potter Hogwarts Castle – 6,020 pices [ buy this LEGO set ]

One of the biggest among the list of the biggest LEGO sets, Hogwarts Castle #71043, is 6,020 pieces of pure bliss for the magic-starved muggles. Measuring over 22” (58cm) high, 27” (69cm) wide, and 16” (43cm) deep when built, Hogwarts Castle has all that you can remember from the films.

LEGO Harry Potter Hogwarts Castle

Made available since Sept 01, 2018, the set is all set to keep you busy for a couple of each day for almost a week. Suitable for ages 16+, the set has 4 mini-figures and 27 micro figures to give a 100% realistic vibe. And did we mention 5 dementors too? It isn’t really for the faint-hearted!

LEGO Harry Potter Hogwarts Castle

Wands at the ready, Accio Hogwarts Castle #71043, and start weaving your wizarding dream today.

LEGO Star Wars Ultimate Millennium Falcon – 7,541 pices [ buy this LEGO set ]

Want to have the most iconic vessel in the Star Wars universe built to scale? Yes, this is the very ship won by the smuggler Han Solo from Lando Calrissian in a game of sabac , and in this pack are included the customary LEGO mini-figures. You also get to test your skills as a pilot by navigating the Kessel Run in less than 12 parsecs and attacking the Death Star.

LEGO Star Wars Millennium Falcon

Being over 33 inches long, 22 inches wide and eight inches in height, this would be the ultimate prize for any Star Wars fan. It has some very cool features like rotating quad-laser turrets and radar dish, and a boarding ramp with extension features.You get to head your ship with a crew of four mini-figures in the removable cockpit. The landing gear has a stable base.

While these pieces are differently priced, they are incredibly fun. So immediately grab the ones you can lay your hands on and start building. These are not only good for increasing concentration levels but can also help in creating bonds among people engaged in building together.

    1. Yes, you’re right. We’ve made an update and now the list contains Harry Potter Hogwarts Castle.

  1. WRONG. Incomplete. The Ninjago Lego set “Ninjago City” should be here. Almost 4800 pieces. Also includes the most minifigures of any set ever sold.

    1. Hey just letting you know the Death Star has 25 mini figures and ninjago city only has 17

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