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Watch the Most Impossible Lego Builds Ever

Watch the Most Impossible Lego Builds Ever

Key Points

  • LEGO has released challenging sets for adults, including builds that seem impossible to create with ordinary bricks.
  • Some of the most impressive and challenging LEGO builds include functional sets like mechanical Wolverine Claws and a replica of Rocket League.
  • The LEGO Titanic set contains over 9,000 pieces and is one of the company’s largest sets, while the Sydney Opera House set features complex architecture and rare bricks.
  • The Technic Liebherr R 9800 set is known for its intricate detail and functioning bucket, and has given builders a tough time since its release in 2019.

LEGOs are known for being kid-friendly toys, but over the years the company has released plenty of challenging sets for adults. If you’re intrigued by a challenge, the most impossible LEGO builds ever created will be right up your alley.

The Most Impossible LEGO Builds

What’s challenging for some may be easy for others. That’s true in life and with LEGO builds, as we’ve seen adults stumped by big builds that children can fly through. With that in mind, there’s no doubt that LEGO designed plenty of sets for experts of all ages.

There are also a lot of unique designs that seem like they would be impossible to build using ordinary bricks. Our guide will cover both approaches, from sets that take a week to complete to impossible LEGO builds featuring geometric designs and optical illusions.

It has been said, “If you build it, they will come.” Those words ring true for impossible LEGO builds, as witnessed by the millions of views they garner online. Builders constantly try to outdo each other, which results in some extreme creations. Check out a few of the best below.

Mechanical Wolverine Claws

There are a variety of LEGO sets that have functional parts, including superhero-themed sets. One of Brick Science’s many seemingly impossible builds features a popular X-Men’s favorite weapon. Building a set of mechanical Wolverine claws will take some patience, but the final results are well worth it. It’s a build best suited for people with plenty of spare parts, including sloped pieces and LEGO motors.

Rocket League Replica

While that build is imposing, how about a replica of Rocket League? Not just a few cars, but the entire stadium. That’s another of Brick Science’s unique builds, and it’s something that requires a lot of free space (and bricks) if you want to build it yourself. Base plates are a great place to start the track and set a backdrop, but you’ll need to build cars from scratch.

While you can build a LEGO RC car using bricks and motors, you can also pick up a kit. LEGO’s Technic series is a great place to start, and one of our favorites is the remote-controlled stunt racer. This 324-piece kit is an easy build, unlike the track you’ll use it on.

Get Ready for the Track
LEGO Technic Remote Controlled Stunt Racer
$199.99
  • 324-piece kit
  • 2-in-1 build
  • Remote controlled
  • Compatible with other Technic sets
We earn a commission if you make a purchase, at no additional cost to you.
02/07/2024 01:56 pm GMT

LEGO Pinball Machine

Are you a fan of video games and functional LEGO sets? If so, you’ll love RJMBricks’ creations. This builder has dozens of impossible builds on his YouTube channel, including Bread Doge. While that one is relatively easy if you have the right blocks, try making a pinball machine out of LEGOs. That’s what RJMBricks did in this video. You need to watch until the end to truly understand the time and effort put into this build.

That’s one of many impressive creations from this builder, who has a range of tutorials featuring everything from hot tubs to crane machines. If you have imagination and enough bricks, you can create the impossible with LEGOs.

LEGO Builds That Seem Impossible

Those builds are a great idea of what you can accomplish with LEGOs, but the company has ready-to-build sets that put builders to the test. Most are from the expert line and seem impossible to both pros and people just getting started with LEGOs. They aren’t, however, and every set on this list will leave you with a sense of satisfaction upon completion.

LEGO Titanic

Sets from the LEGO Expert line are challenging for creators, and this is the toughest set by far for nautical fans. The company recreated this famous ship in 2021, and the LEGO Titanic quickly became a hit with collectors and builders.

This large set contains more than 9,000 pieces with details that put other builds to shame. The three-part set is over 53 inches long when fully assembled and it has several fully working features. As you’d expect, it’s not the type of build most people can tackle quickly. Speed builders like AustrianBrickFan are an exception, however.

LEGO’s Titanic set 10294 looks fantastic on display and is the company’s third-largest set to date. While it hasn’t been retired yet and is still available from LEGO, prices typically exceed $1,000 on the secondary market.

The Ship of Dreams
LEGO Icons Titanic
$900.00
  • Composed of 9,090 pieces
  • Best for ages 18 and up
  • Faithfully recreates the ship as she took her maiden voyage
  • Working propellers help spin the pistons in the engine room
We earn a commission if you make a purchase, at no additional cost to you.
02/07/2024 10:11 am GMT

LEGO Sydney Opera House

At only 2,989 pieces, this set may not seem like an impossible build, but is challenging for LEGO fans around the globe. LEGO set 10234 is from the Icons collection and features the world-famous Sydney Opera House in brick form.

This unique set features complex architecture that perfectly replicates the famous structure. It’s 11 inches tall and around 25 inches wide when built, and you’ll build the structure with some incredibly rare bricks. This set comes with a 48-stud blue base and a bevy of bricks not found in other sets. As for the build, Odd Quartet built the set over a period of five days. It’s a much more complicated build than the box shows, and the number of tan blocks is guaranteed to give builders pause.

LEGO released the Sydney Opera House set in 2013 and retired it several years later in 2016. It’s still affordable, with a price hovering right above its original retail price. The set is also a great way to break into more difficult builds, as the piece count isn’t overwhelming.

An Architectural Wonder
LEGO Creator Expert 10234 Sydney Opera House
$489.99
  • Creator Expert #10234
  • 2,989 pieces
  • Over 25 inches wide
  • Ages 16 and up
We earn a commission if you make a purchase, at no additional cost to you.
02/07/2024 02:00 pm GMT

LEGO Technic Liebherr R 9800

LEGO’s Technic line is the best place to start when you want something complicated to build. While many of those sets qualify as tough, the Liebherr R 9800 has almost put many builders into early retirement.

This LEGO set is complicated for more than one reason. At 4,108 pieces, the build will take some time, and you’re dealing with a lot of greys. You’ll also have to hook up multiple motors to drive this excavator, which comes with a functioning bucket. The detail is incredible, and it’s a large model at more than a foot high and 25 inches long.

From the app controls and smart hubs to the detail, there’s a lot to love about this set. It’s also a kit that’s given builders fits since it arrived in 2019. Like many of the best LEGO sets, this one was retired, and the price has risen considerably.

A Challenging Kit
LEGO Technic Liebherr R 9800 Excavator
$899.00
  • 4,108 pieces
  • Multiple smart hubs
  • Seven motors
  • More than 2 feet long
We earn a commission if you make a purchase, at no additional cost to you.
02/07/2024 02:01 pm GMT

More Impossible LEGO Builds!

LEGOs allow people to create the impossible every day, and YouTube is a great place to find many of these builds. It’s also a fantastic way to kick-start your imagination while putting unused blocks to good use. If you’re interested in building a LEGO city, check out our list of the best sets to start your metropolis.

Plus, if these impossible LEGO builds weren’t enough, check out a few more impossible builds below, such as an amazing LEGO motorcycle, a LEGO vending machine, and even a working pizza factory made out of LEGO bricks!

  1. LEGO Technic Remote Controlled Stunt Racer
    $199.99
    • 324-piece kit
    • 2-in-1 build
    • Remote controlled
    • Compatible with other Technic sets
    Buy on Amazon

    We earn a commission if you make a purchase, at no additional cost to you.

    02/07/2024 01:56 pm GMT
  2. LEGO Icons Titanic
    $900.00
    • Composed of 9,090 pieces
    • Best for ages 18 and up
    • Faithfully recreates the ship as she took her maiden voyage
    • Working propellers help spin the pistons in the engine room
    Buy on Amazon

    We earn a commission if you make a purchase, at no additional cost to you.

    02/07/2024 10:11 am GMT
  3. LEGO Creator Expert 10234 Sydney Opera House
    $489.99
    • Creator Expert #10234
    • 2,989 pieces
    • Over 25 inches wide
    • Ages 16 and up
    Buy on Amazon

    We earn a commission if you make a purchase, at no additional cost to you.

    02/07/2024 02:00 pm GMT
  4. LEGO Technic Liebherr R 9800 Excavator
    $899.00
    • 4,108 pieces
    • Multiple smart hubs
    • Seven motors
    • More than 2 feet long
    Buy on Amazon

    We earn a commission if you make a purchase, at no additional cost to you.

    02/07/2024 02:01 pm GMT

Frequently Asked Questions

What's the largest LEGO set produced?

The largest LEGO set by brick count is the LEGO World Map set which can be hung on a wall and contains 11,625 pieces.

How many different LEGO sizes are there?

Three with traditional LEGOs, larger DUPLO blocks, and QUATRO bricks which are twice the size of DUPLO blocks.

Are Nano Blocks harder to build with than LEGO?

Yes, they are much harder to build, considering they are around a quarter of LEGO’s size.

What's the longest LEGO structure created from bricks?

At this time, it’s a LEGO millipede build organized by Consorzio Esercenti in 2005. This Italian build used over 2.5 million bricks and was more than 5,000 feet long.

Are other building blocks compatible with LEGO?

Some, but not all, so you’ll need to check user reviews carefully if you plan to mix bricks in one of your LEGO builds.

What's the rarest LEGO brick on earth?

LEGO bricks made out of 14k gold. These solid gold bricks were produced by the company in the 80s and given out to employees who had worked 25 years in their German factory.

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