Technic

Ferrari FXX K

A proper Maranello track weapon in red Technic panels, if you can make peace with the stickers.

Brick Rated Score

3.9/5

Set 42212 · 2025

Pieces897

Minifigsn/a

Year2025

Set number42212

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The verdict

This is Technic doing what it does best at the mid-tier: a mechanically busy little Ferrari with a mid-mounted V12, working differential, and hand-of-God steering all crammed under a genuinely handsome red shell.

The FXX K is one of the most extreme cars Ferrari has ever built and the model actually captures that pointy, aggressive shape better than I expected from bricks. It is not perfect, the rear end gets fiddly and there are nearly forty stickers, but the finished thing looks the part on a shelf. Best pick for someone who loves the car itself more than they crave a brand-new engineering puzzle.

Best for: Ferrari fans who want a display-worthy V12 without jumping to the giant flagship Technic supercars

The full review

What it is

The FXX K is one of those cars that looks angry sitting still, and the thing that got me is how much of that attitude survives the trip into Technic. This is the track-only, no-rules version of the LaFerrari, and LEGO has given it a mid-mounted V12 with a working differential, hand-of-God steering, butterfly doors, and an opening engine cover, all inside 897 pieces for a $64.99 launch price. It is not a huge set and it does not pretend to be. What it is, is a dense, satisfying mid-tier build that turns a pile of red and black beams into something you immediately recognize as a Ferrari, which is harder than it sounds when you are trying to sculpt those low, pointed curves out of straight-edged elements. The designer clearly fought for that nose, and won.

The catch

I will be straight with you about where it wobbles. The stickers are a lot. There are close to forty of them, and to get the full livery you are covering nearly every panel, which is not my idea of a relaxing evening even though the model genuinely looks fine bare if you decide to skip them. The rear engine bay is the other soft spot. It stays a little loose while you work, parts nudge out of place when you press new ones in, and the body is not quite rigid enough to feel bomb-proof once finished. And if you come to this hoping for a clever new function or mechanism, you will not find one here, the engineering is competent and familiar rather than fresh. The 15-stud width also puts it in an odd in-between spot, a touch wide for the tidy garage-scale display cars but not one of the big flagship supercars either.

Who it's for

So who walks away happy. If you love this specific Ferrari, or you want a good-looking V12 model that sits comfortably below the price and shelf-footprint of the giant Technic supercars, this is an easy yes and it will look great once it is done. It is also a nice step up for a builder who has done a few smaller Technic sets and wants something with real drivetrain guts. I would gently steer you elsewhere if you build mainly for the mechanical puzzle, or if fiddly stickers and a slightly fragile rear end are the sort of thing that sours a whole build for you. For everyone in between, it lands as a very good set with honest caveats rather than a must-own.

The parts story

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

Building it feels like a proper mid-tier Technic session, roughly four to six hours if you know your way around beams and pins, longer and best split across a couple of evenings if you are newer. The instructions pace it well, moving from a mechanically dense chassis (that V12 and differential go in early and it is a treat watching the pistons come to life) out toward the bodywork. The rear is where patience is tested. Some connections around the boot and wheel areas are genuinely awkward, and the engine section does not fully lock down, so expect a bit of holding things in place as you go.

For parts people there is real interest here. The headline is a brand-new panel mold created for the pointy nose, a sibling to the existing angled fairing panels but matched to Technic Connector #4, and it debuts printed in red. There is also a curious new mold appearing twice in glow-in-the-dark white that the New Elementary crew hoped would show up on Pick a Brick for experimenting. Beyond that you get a generous run of red recolors, four curved 3x9 panels, three 2x5x1 fairings, four cutout slopes, plus useful black beams and pin connector hubs. As a red-panel donor set for your own MOCs, it pulls its weight nicely for the price.

Fun facts

01The real FXX K is a track-only development version of the LaFerrari, not road legal, sold to a tiny group of client test drivers rather than the public.
02LEGO created a genuinely new panel mold specifically for this model's sharp nose, and it makes its first appearance printed in red.
03The set hides two copies of a brand-new element in glow-in-the-dark white, a first outing for a mold parts fans were keen to get more of.
04Completing the full racing livery takes close to forty stickers, though builders note the model still looks good left plain.