Super Heroes Marvel

Iron Man MK4 Bust

A gorgeous little chunk of armor that costs more than it should.

Brick Rated Score

3.7/5

Set 76327 · 2025

Pieces436

Minifigs1

Year2025

Set number76327

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The verdict

The moment I got the shoulder panels lined up and saw the arc reactor sitting dead center in that red and dark red chest, I understood why people keep calling this one of the best looking busts LEGO has done.

It is small, it sits on a desk rather than commanding a shelf, and at 436 pieces for sixty dollars the value math just does not work in its favor. I would tell a Marvel fan who wants a piece of desk art to wait for a sale, and I would tell anyone chasing part count or play value to look elsewhere entirely.

Best for: Marvel and Iron Man collectors who want a compact display piece, not a big build

The full review

What it is

I will admit the panel work on this one won me over before I even finished the torso. Designer Petra Persson, in her first set, said she skipped the usual stud grid thinking and just chased shapes and interesting parts instead, and you can feel that in how the chest and shoulder plates line up. The red and dark red combination she used for the metallic shading looks properly reflective rather than the flat block red LEGO busts sometimes fall into, and the gaps between the shoulder armor and torso match the movie suit closer than I expected from something this size.

The catch

Here is the honest part though. At $59.99 for 436 pieces, this is a small set punching well above its price class, and nearly every review I read led with that same complaint. It sits comfortably on a desk, not a shelf, and if you are coming from LEGO's bigger busts you will notice the scale difference right away. The build itself is quick and light on technique, this is a display piece first and a building experience a distant second.

Who it's for

If you love the Mark IV suit specifically, or you collect Marvel busts and want the one piece of this scale in your lineup, it earns its spot. If you are shopping by price per piece or want a weekend project, skip it and put that money toward one of LEGO's larger Iron Man sets instead.

The parts story

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

Building this one is a short, satisfying sit down rather than a marathon. You start with the turntable base and the printed identification plaque, then work up through the torso where the layered red and dark red panels start to take shape around the arc reactor. It moves fast, there is no filler, and the whole thing comes together in a single sitting without any of the repetitive stretches bigger busts can fall into.

The standout here is the torso construction itself, an all new build that uses paneling and color blocking rather than printed pieces to sell the metallic armor look, plus a printed single mold leg piece that keeps the lower half clean and accurate. The set went through roughly ten design iterations before landing on this version, and that iteration shows in how well the shoulder joints and chest plates read as one continuous suit instead of a stack of separate LEGO parts.

Fun facts

01This is the first time the Mark IV Iron Man armor has been produced as a LEGO set, paired with an exclusive MK4 minifigure
02Designer Petra Persson led the set as her first ever LEGO design, choosing to prioritize shape and part selection over the standard stud grid approach
03The bust went through about ten design iterations, with input from other designers including Mark Stafford, before the final version was locked in
04Reviewers across Brickset, Jay's Brick Blog, and The Brothers Brick all singled out the price to piece count ratio as the set's biggest weakness despite praising the paneling and finish