Hulkbuster
A giant, light-up Hulkbuster with a big price and some real quirks.
Set 76210 · 2022
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This is one of those sets you buy with your heart, not your head.
It's a genuinely huge Age of Ultron Hulkbuster with light-up arc reactors and real shelf presence, but it launched at a steep price and the proportions and gaps rubbed a lot of builders the wrong way. If you love the MK44 and can grab it discounted, you'll enjoy the display piece more than the reviews suggest. If you want a poseable, screen-accurate mech, look elsewhere.
Best for: Marvel fans who want a giant display centerpiece and don't mind quirks
What it is
Let me tell you about the big one. This LEGO® set is the 4,049-piece Hulkbuster from Avengers: Age of Ultron, and calling it big is underselling it. It stands over 52cm tall, which made it the largest Marvel set LEGO had ever done and the biggest brick-built mech in the catalogue, comfortably taller than the old 21311 Voltron. When it's finished and sitting on your shelf with those three arc reactors glowing, it has the kind of presence that stops people mid-conversation. This is the MK44, the huge suit Tony pilots to calm down a rampaging Hulk, and the set nails that hulking silhouette from across the room.
The catch
Here's the honest part, and there's a fair bit of it. When this landed it drew near-universal criticism, and the price was the loudest complaint. At $549.99 (roughly £474.99) a lot of builders felt they were paying flagship money for something that didn't quite deliver, and tellingly LEGO cut the price only a few weeks after launch. The proportions are off, most obviously around the torso, and there are gaps you'll notice around the shoulders and joints. Articulation is the other letdown. The upper body has some movement but the legs are basically static and the arms are awkward to pose, so despite looking like an action figure it really wants to just stand there. Plenty of fans also found an alternate build (the Mark 44 rework floating around Rebrickable) actually fixes the proportions using the same parts, which tells you a lot about the original design.
Who it's for
So who should grab it? If you're a Marvel collector who wants a giant statement piece and you can find it at 30-40% off, this is a fun, satisfying build that photographs great with the lights on, and the community complaints matter a lot less once it's just sitting there looking enormous. It's a lovely gift for an Age of Ultron fan too. Who should skip it? Anyone chasing screen accuracy, a poseable mech, or strong value per brick will walk away frustrated. It's now retired (it ran from late 2022 to the end of 2024), so aftermarket prices have crept up past retail, which makes hunting for a deal a bit harder. Buy it because you love the Hulkbuster, not because the spec sheet wins on paper.
The parts story
What the build is actually like, and the pieces worth knowing about.
The build breaks into a few big chunks, and it's more approachable than 4,049 pieces sounds. You work up through a chunky internal frame that carries all the weight, then start cladding it in dark red and gold armour panels section by section, legs first, then the bulky torso and cockpit, then the oversized arms and hands. It's split across three instruction books (roughly 168, 127 and 184 pages), and while it's a long sit, it rarely gets fiddly. There's a decent amount of repetition in the armour plating, but the wiring for the three light-up arc reactors adds a genuinely satisfying bit of engineering, and the opening cockpit is a nice moment where the whole thing suddenly reads as a piloted suit.
On parts, the story is more about bulk than rare gems. You get a mountain of dark red slopes, curved panels and large plates that are brilliant for MOC builders, plus a healthy pile of pearl gold accents. The light bricks driving the arc reactors are the standout functional pieces, giving you that chest-and-palms glow. The one minifigure is Tony Stark in his partial Mark XLIII armour, which fits his Age of Ultron look but is a fairly plain fig for a set this size. And do note the cockpit is built to seat the separate 76206 Iron Man Figure, which is sold apart, so factor that in if you want the full display effect. On pure part-count value the numbers look tempting, but the reused armour elements mean it's not the parts monster the piece total hints at.
Fun facts
- 01At 52cm tall it was the largest LEGO Marvel set ever made on release and the biggest brick-built mech in the range, edging out 21311 Voltron.
- 02It's the second big Hulkbuster after 2018's 76105 Ultron Edition, and it's roughly three times the size of that earlier set.
- 03The set was designed by Junya Suzuki, and it packs three working light-up arc reactors: one in the chest and one in each hand.
- 04Reviews were harsh enough that LEGO slashed the price just weeks after launch, and a fan-made alternate build that fixes the proportions using the same parts became a community favourite.
What other builders say
This write-up is grounded in real reviews and builder discussion, not just one opinion. A few worth reading:
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