City

Robot World Roller-Coaster Park

A working City coaster wrapped around an arcade, with the best minifigs the theme has offered.

Brick Rated Score

4.2/5

Set 60421 · 2024

Pieces986

Minifigs8

Year2024

Set number60421

Check price on Amazon

Affiliate link. We may earn a commission at no extra cost to you.As an Amazon Associate we earn from qualifying purchases.

The verdict

This one surprised me.

I went in expecting a standard City playset and got a genuinely fun coaster build stuffed with arcade cabinets, a slushy bar, and a posable mech suit. The eight minifigs are the real headline here, and if you love a working roller coaster you'll grin the whole way through. The stickers and one wobbly robot piece keep it from being flawless, but the fun is real.

Best for: City fans who want a working coaster and collectors chasing exclusive minifigs

The full review

What it is

Some City sets feel like furniture, background pieces you build once and forget. This LEGO® set is not one of those. Robot World Roller-Coaster Park packs a futuristic gaming park into 986 pieces, and the centerpiece is an actual working coaster where a three-car train rattles through twists and dips around a multi-level arcade. Around that track you get an e-sports stage with a DJ booth, a slushy bar, rows of gaming cabinets, a photo desk where riders check their ride pictures, and a big posable mech suit stomping through the middle of it all. It is loud, colorful, and unapologetically fun, and honestly the working coaster is what got me. There is something about giving a train a push and watching it clear the loop that never gets old, no matter how many of these you have built.

The catch

I do have a couple of gripes, though. The detail here leans hard on stickers, and there are a lot of them. They do a huge amount to sell the arcade-screen, neon-park feeling, but stickers are stickers, and plenty of builders have flagged worries about how they will peel and yellow a few years down the line. If crisp printed tiles are your thing, this will nag at you. There is also one specific annoyance that shows up in review after review: the clear dome piece on the large robot just will not stay put, and it pops off if you look at it wrong. And while 99 dollars for 986 pieces sits right around the going City rate, it is not a bargain once you account for how many of those parts are big specialized coaster and structure elements rather than useful bricks. You are paying for the experience and the figures more than the raw part count.

Who it's for

So who should grab this. If you love a working LEGO coaster, or you collect minifigs, this is an easy yes, because the eight figures here are genuinely the best a City set has offered and every single one is exclusive to the box. Kids eight and up will get hours out of the play features, and the finished thing looks great on a shelf at over 21 inches wide. If you are a purist who winces at stickers, or you were hoping for a parts-value haul, temper your expectations a little. For everyone else, this is one of the more joyful City sets in recent memory, and now that it has retired it is worth grabbing before the good ones dry up.

The parts story

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

The build is smartly paced because it keeps switching scale on you. You start small and fiddly with the arcade cabinets, the slushy machine, and the little gaming stations, all the micro detail work, then step up to the mid-size robot and mech suit, and finish with the big satisfying job of assembling the coaster track and threading it around the structure. That variety is the whole reason it stays fun for its roughly hour and three quarter run time. Nothing drags, because just as one section starts to feel repetitive you are onto something completely different. The multi-level arcade tower and the coaster supports give it real height, and clicking the track together into a working loop at the end is the payoff the whole build leads up to.

The headline parts are those eight minifigs, all exclusive to this box, including the grey-hoodie No Face and Bytz pulled from the LEGO City animated shorts, which is why collectors rate this lineup so highly. Beyond the figures you get a lovely pile of accessories: three cell phones, a selfie stick, two slushy cups, video game controllers, a trophy, and DJ gear, all of which make great scatter for other builds. The coaster train cars and curved track are the specialized draw, useful if you are building out a wider theme park. Just go in knowing the value story here is about the figures and the play features, not a deep haul of everyday bricks.

Fun facts

01The set pulls characters straight from the LEGO City animated shorts, with No Face in his grey hoodie and Bytz among the eight figures, which is a big reason reviewers rate this as the best minifig lineup City has shipped.
02Every one of the eight minifigures is exclusive to this box and appears in no other set, giving the lineup a combined aftermarket value of around 20 dollars on its own.
03The finished park is a genuine tabletop centerpiece at over 21 inches wide, 10 inches tall, and 10.5 inches deep, with a coaster train that actually runs the full circuit.
04It launched in mid 2024 at 99.99 dollars and retired in December 2025, briefly climbing to around 119 dollars sealed before settling back near its original price.