Creator

Space Roller Coaster

A working coaster that whips past Saturn, a moon base and a light-up meteor.

Brick Rated Score

4.2/5

Set 31142 · 2023

Pieces874

Minifigs5

Year2023

Set number31142

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The verdict

This is the set that reminded me how much fun a Creator 3-in-1 can be when LEGO actually commits to the theme.

The coaster works, the little coin-operated kiddie ride at the start made me grin, and the whole space-park idea has real charm. I do wish it cost less per piece, because at 874 parts for the original price it asks a bit much. If you like play features and a build that keeps surprising you, though, it earns its keep.

Best for: amusement-park fans who want a coaster that actually rolls, plus two genuinely different rebuilds

The full review

What it is

I have a soft spot for LEGO's amusement-park builds, and the Space Roller Coaster hit that soft spot immediately. It is a Creator 3-in-1 from 2023 built around a proper working coaster: three carts climb the winding track and roll past a decorative rocket, models of Saturn and Earth, a moon base, and a little shooting star. What actually got me first, though, was the tiny coin-operated kiddie ride you build at the start, a wobbly little rocker for the minifigs too short for the big coaster. You turn a small gear and it rocks back and forth unevenly, and it is such a thoughtful, cheeky detail to open the box with. That is the thing about this set. It keeps handing you small moments of joy.

The catch

I will be straight with you about the money, because plenty of builders raised it and they are right to. At 874 pieces for the original $109.99, this is not a generous part count, and the comparison people keep making is to an older coaster set that gave you more bricks for less. So you are paying partly for the play features and the licensing of fun rather than for a mountain of plastic. There is a working quirk too: the train has a habit of overshooting the station and coasting past where it should politely stop. It is charming in a real-fairground way, but if you want mechanical precision it will nag at you. And five minifigures, a scientist, an astronaut, a parent, two kids and a baby, is a fairly small crowd for a park this ambitious.

Who it's for

So who will love this one? If you enjoy play features, functions you can actually operate, and a build that surprises you around every corner, this is a lovely way to spend an afternoon and it displays beautifully on a shelf afterward. The base is engineered so you can lift the whole thing one-handed from the middle, which is a genuinely clever touch for a model this size. The two rebuilds, a drop tower with a working elevator and a spinning carousel, are different enough to be worth doing rather than obligatory filler. If you are hunting for maximum pieces per dollar or you want engineering that behaves perfectly every time, this is not your set. For everyone else who just wants a fun, functional space fairground, it is easy to recommend. Worth noting: it has now retired, so shelf prices have started climbing past the original RRP.

The parts story

What the build is actually like, and the pieces worth knowing about.

Building this is a steady, satisfying ride rather than a technical grind. It opens with that coin-op mini rocker, then moves into the main coaster, which is built on a solid foundation of plate-brick-plate sandwiches that make the base impressively rigid. That stability is why you can carry the finished model in one hand, which genuinely surprised me. The track sections click together cleanly, and there is enough variety in the surrounding scenery (the planets, the rocket, the moon base) that you never feel like you are just repeating the same section over and over. It is a build that keeps a child or a relaxed adult engaged the whole way through.

The standout part is the meteor. There is a new rock element (mold 35646) that debuts here in medium nougat, used for the small shooting-star meteor, and it hides a light brick inside so it glows when pressed. The light brick's internal components are new designs too, so parts collectors have a couple of genuinely fresh bits to chase. Beyond that, the value in the box is really in the printed space elements and the ring pieces that let the carousel spin, rather than in rarity. It is a play-feature set at heart, so the parts story is about function first, curved track, gears, the glowing meteor, and a stack of sturdy structural plates, over a treasure hunt for exotic recolors.

Fun facts

01A small new rock mold (part 35646) made its debut in this set in medium nougat, standing in for the shooting-star meteor.
02The meteor hides a working light brick, so the shooting star actually lights up when you press it.
03The base is engineered so the entire coaster can be picked up one-handed from the middle without falling apart.
04The build opens with a coin-operated kiddie rocker for minifigs too short to ride the main coaster, its gear makes it rock back and forth unevenly on purpose.