These are 14 of the most challenging Lego sets to build

lego roller coaster set
Amazon

In the 90 years since they were invented in Denmark, Lego bricks have been used to bring countless scenes to life in homes around the globe. From licensed pop culture-inspired sets like “Star Wars” and Harry Potter to buildings dreamed up by amateur architects, there are an endless number of things to assemble.

While building Lego sets may seem easy enough, especially with the instructions provided in each box, the labor it takes to build some of the company’s sets can take hours — even days.

MORE: I Tried the Brickit app for building Legos and here’s how it went.

Listed here are what we consider to be some of the most challenging Lego sets to build. When defining what is the most challenging, we took what the set is, how many pieces it has and its suggested level of difficulty into consideration.

1. Batcave Shadow Box (3,981 pieces)

The 3,981-piece set includes seven Lego minifigures including two versions of Batman, along with Bruce Wayne, his butler Alfred Pennyworth, Catwoman, Penguin and Max Shreck. The Batcave tableau measures more than 20 inches wide and 11 inches tall. It has multiple moving parts including a turning chair, a changeable computer screen, a tool store that opens and closes and, finally, an illuminated Batsuit vault. $399.99 exclusively at LEGO.

LEGO bat cave
Lego

 

2. Titanic (9,090 pieces)

It’s not just the massive scale of the legendary ship that makes the set so huge — this tinier Titanic is unusually detailed. The completed ship can pop open into three sections, allowing admirers to peek inside. The model features the Titanic’s dining room, the famous first-class staircase and even the ship’s engine room, complete with moving pistons on the motors. The propellers really turn and the anchor really drops. They even included lifeboats. $679.99 at LEGO.com

Titanic lego set in box

 

3. ‘Star Wars’ Ultimate Millennium Falcon (7,541 pieces)

Any “Star Wars” fan and Lego expert would love to have this epic set in their collection. The Ultimate Millennium Falcon comes with more than 7,500 pieces and is recommended for builders ages 16 and up. It has a lowering boarding ramp, a concealed blaster cannon and comes with seven minifigures that span the history of that beloved ship.

Amazon

 

4. Lego Creator Expert Taj Mahal (5,923 pieces)

With nearly 6,000 pieces, this Lego Creator model of India’s Taj Mahal is recommended only for the most advanced Lego builders. The finished product is full of ornate details on the inside and out and will measure at 16 inches tall by 20 inches wide. Like the other expert-rated Lego sets, this one is recommended only for builders ages 16 and up.

Amazon

5. Lego Creator Expert Tower Bridge (4,295 pieces)

Another geographical model from the Lego Creator line makes our list, as this set represents London’s iconic Tower Bridge. The bridge is more than 3 feet long when it’s all built and the center bridge platform itself actually raises and lowers like the real one. It comes with four different vehicles you might see crossing the bridge, such as a red double-decker bus.

Amazon

6. Lego Creator Expert Carousel (2,670 pieces)

Once it’s completed, this epic carousel actually spins while the animal-shaped cars move up and down when you turn the crank. The kit comes with seven minifigures, including a family and a ride operator, which help set the scene once your building is done. The Lego Creator Expert Carousel set also comes with accessories like candy, hot dogs and ice cream for your minifigs to hold.

Amazon

7. ‘Star Wars’ Sandcrawler (3,296 pieces)

Unlike most of the other kits included in our list, this one is graded for kids as young as 14 years old. The massive Sandcrawler vehicle from “Star Wars” is 1 1/2 feet long once you’ve put together its more than 3,200 pieces. The seven minifigures it comes with are a dream for fans of the sci-fi saga, as they include icons like Luke Skywalker, C-3PO and R2-D2.

Amazon

8. Harry Potter Hogwarts Castle (6,020 pieces)

Lego has rolled out some impressive Harry Potter-themed kits in recent years but this Hogwarts Castle one is the most epic. It boasts more than 6,000 pieces which come together to create a 27-inch wide replica of the world’s most famous school for witchcraft and wizardry. Minifigures of the four founders of the Hogwarts houses are included, along with a host of accessories.

Amazon

9. Lego Ideas Home Alone House (3,995 pieces)

This set has everything you need to re-create nearly all of your favorite moments from the film. With 3,955 pieces, this massive Lego set could be a long-term project that the family works on each day leading up to Christmas. Once complete, the front of the house opens to reveal various rooms of the home that became a series of traps for the movie’s villains. $299.99 at LEGO.com

Home Alone Lego house
Amazon

10. Lego Creator Expert Roller Coaster (4,124 pieces)

This impressive kit was a winner at the Toy of the Year Awards in 2019. It includes more than 4,000 pieces and ends up being a fully working roller coaster that runs via a hand-operated crank or using a Lego Power Functions tool. The Lego Creator Expert Roller Coaster set also comes with 11 minifigures, a smoothie stand and a cotton candy cart for more immersion.

Amazon

11. Lego Creator Expert Sydney Opera House (2,989 pieces)

This Lego replica of the Australian landmark might not have as many pieces as some of the other sets on this list, but with the pieces only being two main colors, it can get complicated to keep them straight. The model will end up being more than 2 feet wide once it’s built and will make an impressive conversation starter once it’s on display. Lego says the construction of this one is so sturdy that it can easily be moved without ruining your hard work.

Amazon

12. Lego Creator Expert Old Trafford — Manchester United (3,898 pieces)

If you know someone who loves Lego as much as they love soccer, this difficult set will keep them busy. It’s a Lego Creator Expert model of Old Trafford, the famous stadium that’s home to England’s Manchester United. The detailed set includes details that make this a perfect showpiece for the home or office, including a statue of Sir Alex Ferguson.

Amazon

13. Marvel Super Heroes The SHIELD Helicarrier (2,996 pieces)

This detailed Lego set inspired by Marvel’s Avengers series contains minifigures such as Captain America and Black Widow, two runways and three fighter jets. The SHIELD Helicarrier in this kit will end up being 31 inches long when it’s all put together. With nearly 3,000 pieces in total, it will take a hero to keep everything in order while building.

Amazon

14. Lego Ideas Grand Piano (3,662 pieces)

Lego has really come up with some amazing sets over the years and this 2021 winner at the Toy of the Year Awards has to be one of the most intricate. This Lego Ideas Grand Piano set is so advanced, it’s only recommended for adults, with the minimum age listed as 18 years old. Once you’re done putting its 3,662 pieces together, you’re left with a 12-inch wide grand piano that has 25 playable keys.

Amazon

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About the Author
Taylor Hosey
Miami University graduate. I believe that simplicity, originality and a little bit of wit can go a long way.

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