Attention, Lego fans! If you love aliens and UFOs, or spaceflight and sci-fi, we've got the perfect sets for you and your kids. From the cutest (or creepiest?) alien minifigures, to alien spaceships, to Star Wars droids and real NASA spacecraft, this gift guide is bursting with fun ... and learning.
Whether you're looking for the perfect gift for the alien- or sci-fi-loving Lego fan in your life, or you want to add to your personal collection, we've got you covered. Don't forget to check here back regularly, as we'll be adding new deals.
Weird Lego alien sets for fun
Lego Galaxy Squad Crater Creeper: $29.98 at Amazon
Dive tentacle-first into epic alien battling with the 105-piece Lego Galaxy Squad Crater Creeper set, available at Amazon. It will pit a crater "creeper" alien against a hovercraft-flying astronaut minifigure. Once you finish the build, Lego's advice for success is self-explanatory: "Don't get caught in the chomping jaws; fire the missiles."
Awesome Lego alien minifigures
The best Lego sci-fi sets for kids
The Lego Movie 2 Space Palace:
$99.99 $94.99 at Amazon
Amazon cut this discontinued set's price by $5 for fans of the Lego Movie 2, so act fast while this is in stock. With this 995-piece set, you can build Queen Watevra’s "So-Not-Evil" Space Palace. The set includes a bachelor Batman minifigure, a Celeste mini-doll figure, a figure of Queen Watevra Wa'Nabi and so much more.
The Force is strong with these Lego Star Wars sets
Lego Star Wars T-1 Skyhopper vs. Bantha Microfighters:
$19.99 $17.51 at Amazon
For a 10% discount on Amazon, you can ride along with the ship Luke Skywalker and his friends flew long before his Jedi career. It includes a T-1 pilot, Tatooine Bantha and Tusken Raider minifigure.
Lego Star Wars Kylo Ren's Shuttle Microfighter | $9.99
Kylo Ren, the tortured anti-hero of the "Star Wars" sequels, at least had a cool-looking ship to enjoy between the angst. You can fly it yourself after assembling the 72-piece Microfighter set.
Lego Star Wars The Empire Strikes Back Snowspeeder: $94.99 at Amazon
Blast back to "Star Wars: The Empire Strikes Back" on its 40th anniversary, before supplies disappear on this discontinued set. This 309-piece set takes you back to with a Snowspeeder ship, laser cannons and four minifigures: Luke Skywalker and Dak Ralter (who are both dressed in pilot outfits), a Rebel Trooper and even a special 20th anniversary Lando Calrissian.
An awesome Lego space stuffer idea
Cool Lego NASA sets for young and old
Lego Ideas NASA Apollo Saturn V: $119.99 at Amazon
The epic Saturn V astronaut rocket is available in Lego form at Amazon. The 1969-piece set is approximately a 1:110 scale model of NASA's Saturn V rocket that lifted Apollo 11 astronauts Neil Armstrong, "Buzz" Aldrin and Michael Collins to the moon in 1969.
Lego Women of NASA Building Kit: $47.44 at Amazon
Four outstanding women from NASA's history got the Lego treatment in the Women of NASA set, available at Amazon while supplies last. The 231-piece building kit includes computer scientist Margaret Hamilton, astronomer Nancy Grace Roman, and astronauts Sally Ride and Mae Jemison as well as props relevant to each woman’s contributions to the space program. Read the full story here.
Amazing Lego spaceships, rovers and spaceports
Lego City Space Deep Space Rocket and Launch Control: $99.99 at Amazon
It's Mars versus the monorail on this epic launch kit set from Lego, available on Amazon. The multi-stage rocket and opening launch tower are available in frustration-free packaging. The epic 837-piece set includes 6 minifigures: 2 astronauts, 2 scientists, a launch director and a ground crew technician. You'll also get a robot, a space telescope, a rover with an articulated arm and a launchpad.
Lego City Space Lunar Space Station:
$59.99 $48.00 at Amazon
This 412-piece set's frustration-free packaging version is 20% off at Amazon, while supplies last. Just like NASA hopes to do, you can build a lunar space station with three separate modules and a detachable shuttle toy. Also included are 2 LEGO City astronaut minifigures, 2 space station crew member minifigures, a robot (because why not), a satellite and a central airlock.
Lego Creator 3-in-1 Space Rover Explorer:
$39.99 $32 at Amazon
While this cute space set is out of stock, you can still grab a 20% off deal at Amazon for shipment in mid-December. The 510-piece set allows you to build a space rover explorer, a space base or a space flyer — and also to get to know the adorable alien included with the set.
Lego City Space Mars Research Shuttle:
$39.99 $31.99 at Amazon
Blast off to Mars for 20% less on Amazon with this epic 273-piece Lego set, while it's still available on this planet. Besides an epic shuttle vehicle and Mars rover, you'll get 2 LEGO City Mars astronaut minifigures, a helidrone (to evoke the NASA Ingenuity drone, we suppose) and a storage drone.
Lego City Rover Testing Drive:
$29.99 $22.79 at Amazon
Get moving on Mars for 25% less on this 202-piece set, before the deal drives away. The toy includes a cockpit, articulated grappling arm, removable solar power generator and large all-terrain vehicles. Also enjoy the astronaut and ground crew technician minifigures.
LEGO City Rover Testing Drive:
$29.99 $22.79 at Amazon
With this 202-piece set at 25% off on Amazon, you can build a rover ready to explore the Martian surface. Complete with a crew of 2 Lego city minifigure astronauts, this set comes with the pieces to build a rover with an opening cockpit, a grappling arm you can use to "take Martian samples," a solar power generator and other tools that your astronaut crew can use on Mars.
Lego City Space Lunar Space Station:
$59.99 $48 at Amazon
Lego doesn't just take you to Mars, with this Lego set (now 20% off at Amazon) you can also explore and set up camp on the moon! With this 412-piece set, you can build a lunar base and explore the moon with your friends. The set comes complete with 2 Lego city astronaut minifigures, 2 space station astronaut crew minifigures, a robot, a shuttle, a central airlock, a living module and much more.
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Kasandra Brabaw is a freelance science writer who covers space, health and psychology. She has a bachelor's degree in science and a bachelor's degree of arts from the University of Syracuse; she completed her master's of arts degree in journalism at Syracuse University in 2014. In addition to writing for Live Science and our sister site Space.com, Kasandra has written for Prevention, Women's Health, SELF and other health publications. She has also worked with academics to edit books written for popular audiences.