From deep-space showdowns to intergalactic adventures, Alien LEGO sets bring the unknown universe right into your living room. Whether you’re a longtime collector, a sci-fi enthusiast, or a parent looking for the next exciting build for your child, these otherworldly sets offer a unique blend of creativity, storytelling, and cosmic action. In this guide, we’ll explore the best alien-themed LEGO sets, what makes them so popular, and how to pick the right one for your space adventures.
What Are Alien LEGO Sets?
Alien LEGO sets are part of LEGO’s sci-fi and space-themed collections, featuring extraterrestrial characters, UFOs, space vehicles, and imaginative storylines. These sets are designed to spark creativity and curiosity about space, blending classic LEGO construction with wild alien designs.
Popular Themes Within Alien LEGO Sets
- LEGO Alien Conquest – One of the most iconic alien series.
- LEGO Galaxy Squad – Heroes vs. insectoid alien invaders.
- LEGO Space Police III – Space cops catching bizarre alien criminals.
- LEGO Creator & City sets – Occasionally feature UFO or alien-themed builds.
Each theme offers a different take on alien encounters, from full-blown battles to humorous interactions.
Top Alien LEGO Sets to Check Out
Here are some standout sets that fans and collectors rave about:
1. Alien Conquest: Earth Defense HQ (7066)
- Released: 2011
- Piece Count: 875
- Notable Features:
- Rolling mobile command base
- Alien saucer and abducting ray
- Multiple minifigures including humans and aliens
Why it’s a hit: Earth Defense HQ is a fan favorite because of its dynamic build and detailed alien minifigs. It’s perfect for staging battles between humans and extraterrestrial forces.
2. Galaxy Squad: Galactic Titan (70709)
- Released: 2013
- Piece Count: 1,012
- Highlights:
- Giant mech with dual cockpits
- Insectoid alien with cocoon trap
- Split-vehicle functionality
Fun factor: The bright color palette and transformable features make this one of the most action-packed alien LEGO sets out there.
3. Alien Conquest: Tripod Invader (7051)
- Released: 2011
- Piece Count: 165
- Best For: Quick builds and creative play
Cool feature: A classic alien tripod design with an abducting beam and alien minifigure. A fun homage to old-school sci-fi invasions.
What Makes Alien LEGO Sets Unique?
Alien-themed LEGO sets stand out because they blend classic LEGO building with:
- Whimsical alien designs (tentacles, antennas, bright colors)
- Unpredictable storylines
- Playable features like laser beams, cocoons, and UFO abduction mechanisms
They also often include exclusive minifigures not found in other LEGO themes, making them highly desirable for collectors.
Are Alien LEGO Sets Good for Kids?
Absolutely! These sets are ideal for:
- Creative storytelling – Kids can invent their own intergalactic sagas.
- STEM learning – Encourages imaginative thinking and problem-solving.
- Cooperative play – Siblings or friends can team up as space heroes.
Many sets are rated for ages 7+, with manageable builds and lots of action features.
Collector’s Appeal: Why Adults Love Alien LEGO Sets
Alien LEGO sets aren’t just for kids—they’re hot items among AFOLs (Adult Fans of LEGO) too.
Why collectors are drawn to them:
- Nostalgia – Sets like Alien Conquest nod to classic sci-fi films.
- Display-worthy builds – Vibrant color schemes and unique designs.
- Rare minifigures – Especially in older, discontinued sets.
Plus, older alien sets tend to increase in value, making them great for investment as well as enjoyment.
Tips for Buying Alien LEGO Sets
If you’re new to this theme, here’s how to get started:
Where to Look
- LEGO.com – Some alien-themed sets still in rotation
- Resale markets (eBay, BrickLink) – Great for discontinued gems
- Local toy stores or conventions – May have rare finds
What to Consider
- Age range – Some sets are better suited for older builders
- Piece count – Larger sets = more build time and detail
- Theme compatibility – Many alien sets mix well with LEGO City or Space themes
Building the Ultimate Alien Universe
One of the best parts of LEGO is mixing and matching themes. Combine alien sets with:
- LEGO City Space Shuttle – For Earth-based launches into alien territory
- LEGO Creator 3-in-1 sets – To customize your own UFOs or bases
- LEGO Classic – Add extra bricks and colors to go wild with your world-building
Pro tip: Use a large baseplate to create your own alien invasion scene or space station hub!
Conclusion: Let Your Imagination Blast Off
Whether you’re battling bug-eyed invaders or exploring distant planets, Alien LEGO sets offer endless adventure. With their vibrant characters, imaginative builds, and engaging play features, these sets are perfect for kids, collectors, and anyone fascinated by the unknown.
Yara Bryant is a contributing writer at Oxford Brick Art, where she shares her passion for LEGO creativity, design, and storytelling. With a keen eye for detail and a love for brick-based artistry, Yara explores the endless possibilities of LEGO, inspiring builders of all levels to think outside the brick.
