HGGundam Build Divers

Sky High Wings

Not a suit, a backpack full of possibilities for whatever you build next.

MechaGrade Score

3.6/5

Sky High Wings · 1/144 · 2018

GradeHG

Scale1/144

Released2018

Runnersn/a

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The verdict

This is HGBC #042, an option parts kit, not a mobile suit, and once you accept that framing it's a genuinely useful little box.

You get one large wing pair and one small wing pair, molded in plain white, plus a set of backpack joint adapters meant to bolt onto other HG kits. I bought mine specifically to dress up a plain-jane HG that needed more silhouette, and it did exactly that job well. It won't hold your attention as a standalone build, but as a toolbox piece it earns its shelf space.

Best for: Builders who already own a few HG kits and want to punch up a plain silhouette without scratch-building

The full review

What it is

Sky High Wings is part of Bandai's Build Custom line, the accessory-only side of the Gundam Build Divers wave, and its whole purpose is bolting bigger wings onto whatever HG kit you already have on your bench. The box gives you a large wing pair, a smaller wing pair, and a set of backpack joint adapters so you can mix and match which pair goes where. I clipped mine in about fifteen minutes, no seams to worry about because there's nothing to build in the traditional sense, just runners of wing segments and joint hardware. The white plastic is a blank canvas on purpose, meant for painting or for pairing with kits that already read white or light gray.

The catch

Because it's unpainted white plastic with zero color separation, it looks unfinished straight out of the box on anything that isn't already a light-colored kit, you're painting it or it clashes. The ball joints connecting each wing segment are functional but on the loose side out of the bag, so big dramatic poses can droop a little until the joints wear in or you tighten them with an accelerator or joint glue trick. And because it's not a mobile suit, there's no articulation, no face, no story, just hardware, so judge it as an accessory purchase and not a display centerpiece.

Who it's for

Grab this if you've got an HG kit with a plain or small backpack and want to dial up its presence without hunting down a whole new kit or scratch-building wing spars. It's cheap, it's compatible with a wide range of 3mm and 4mm joint standards common across the HG line, and it genuinely changes the silhouette of whatever it's attached to. Skip it if you're expecting a mobile suit review, a display piece that stands on its own, or perfectly matched colors without any painting on your part. This is a modder's tool, not a showpiece.

The build story

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

There's no real build here in the HG sense, you're clipping wing segments off the runner and snapping them onto the joint hardware, so gate marks are minimal and easy to clean since the parts are simple flat and curved shapes. The backpack adapters are the fiddliest part, small ball-jointed connectors that need a firm push to seat fully, and I'd recommend test-fitting on your host kit's backpack before committing to a final wing arrangement.

The real engineering story is the joint system itself, a set of double ball joints that let each wing segment angle independently, so you can sweep the wings back for a flight pose or splay them out for a dramatic standing pose. Because both a large and small pair are included, you can double up for a busier wing pack or use just the small pair for a subtler accent. For the price point this is a strong value if you already have projects that need this exact part.

Lore & trivia

01Sky High Wings is catalog number HGBC #042 in Bandai's High Grade Build Custom line.
02It released in August 2018 alongside the broader Gundam Build Divers wave of kits and accessories.
03The Build Custom line exists specifically as an accessories-only complement to the Build Divers HG kits, designed for players to customize their in-universe GBN avatar suits.