I finally got around to installing the pg exia kosmos led kit after staring at the box for three weeks, and honestly, it completely changes the vibe of the whole build. If you've ever built a Perfect Grade, you know that the "Perfect" part usually comes with a side of "Oh man, I hope I don't break this," and adding lights just cranks that anxiety up a notch. But after seeing the end result, I can't imagine this kit sitting on my shelf without the glow.
Let's be real for a second: the official Bandai LED unit for the PG Exia is fine, but it's expensive and, frankly, a bit limited. It gives you the standard green and the Trans-Am pink/red, but that's about it. The Kosmos kit, on the other hand, is like giving your Gundam a dedicated DJ and a light show. It's got a lot more personality, and since I'm already spending dozens of hours nub-marking and panel-lining, I figured why not go all out?
Why I went with Kosmos over the official lights
The main reason I picked up the pg exia kosmos led set was the flexibility. With the official one, you're kind of locked into what Bandai thinks looks good. With Kosmos, you get full RGB control. If I want my Exia to look like it's possessed by a Neon-Glow demon, I can do that. If I want a subtle, pulsing blue, I can do that too.
Price is the other big factor. It's no secret that the official LED units can be hard to track down and usually cost a premium. The Kosmos version is way more accessible and, in my opinion, actually feels a bit more modern. It uses a remote and can even be controlled via a phone app, which is way more convenient than reaching into the back of the model to flick a tiny switch every time I want to show it off to someone.
Cracking open the box
When the kit arrived, I was actually surprised by how tiny everything is. You get these thin, ribbon-like cables and tiny LED chips that look like they'd snap if you breathed on them too hard. It's a bit intimidating at first. The packaging was neat, though—everything was labeled, which is a lifesaver because once you start routing these through the inner frame, it's easy to lose track of what goes where.
The kit comes with the main control board, the various LED strips for the GN Drive, the head, the chest, and the limbs, and a handy little remote. I noticed right away that the wires are reinforced at the joints better than some other third-party kits I've used in the past. That's a huge relief because the PG Exia has a lot of moving parts and "armor hatch" gimmicks that can easily pinch a wire if you aren't careful.
The installation struggle is real
I'm not going to sugarcoat it: installing the pg exia kosmos led kit isn't exactly a walk in the park. You need some patience and maybe a pair of fine-tipped tweezers. The PG Exia is designed with LED integration in mind, which helps, but you still have to be incredibly surgical about where you tuck the excess wiring.
The most stressful part for me was the head and the chest. Getting that tiny LED to sit perfectly behind the "eye" piece without it shifting when you snap the helmet together took me three tries. But once it clicked? That first test fire was magical. Seeing those green eyes light up for the first time is the moment you realize the extra work is worth it.
One tip if you're doing this: test the LEDs before you bury them under ten layers of plastic. I made the mistake of fully assembling one of the arms before checking the connection, and wouldn't you know it, I had the plug in backwards. Taking a PG arm apart once it's snapped together is a great way to test your blood pressure. Don't be like me—test as you go.
The GN Drive and the light show
The centerpiece of any Exia is the GN Drive, and this is where the pg exia kosmos led really shines—literally. The way the light swirls and pulses inside the drive looks fantastic. It has this "startup" animation that mimics the anime perfectly. It goes from a slow, dim glow to a full-on spinning vortex of light.
The color modes are where things get really fun. You've got the classic "Green" for normal operation, the "Red/Pink" for Trans-Am mode, and then a whole spectrum of other colors. I found myself really liking a deep purple hue; it gives the Exia a very "villainous" or "prototype" look that you don't usually see.
The remote is pretty responsive, too. You can adjust the brightness, which is actually really important. At 100% brightness, this thing can light up a dark room. I usually keep mine at about 40% so it looks more like a scale machine and less like a desk lamp.
Cable management and the final look
The PG Exia has these clear "GN cables" running through the limbs, and the Kosmos kit utilizes these perfectly. The light bleeds through the clear parts exactly how it should, giving the entire frame a sense of internal energy.
One thing I appreciated about this specific kit is how they handled the power supply. You can run it off batteries, but I highly recommend just using the USB power option. If you're like me, you're going to leave this on for hours while you're gaming or working at your desk, and swapping out AAA batteries is a chore I'd rather avoid. Just plug it into a power bank or a wall brick, and you're good to go.
The "breathing" effect is probably my favorite setting. It makes the kit feel alive, like the reactor is actually idling. It's subtle enough that it doesn't distract you, but it adds that "wow" factor whenever someone walks into the room and notices the glow.
Is it worth the effort?
If you're someone who just wants to snap a kit together and put it on a shelf, maybe the pg exia kosmos led is a bit much. It adds a few hours to the build time and definitely requires a steady hand. But if you're into the hobby for the "Perfect" experience, I think it's almost mandatory.
The Exia, more than almost any other suit, is defined by its light. Without the glowing GN particles, it's just a cool-looking robot. With the lights, it's a centerpiece. The Kosmos kit gives you more features for less money than the official alternative, and the quality is honestly top-tier for third-party accessories.
The only real "downside" is that now I feel like all my other Master Grades and Perfect Grades look boring by comparison. I might have just started an expensive trend for my hobby room. But looking at the Exia now, standing there in a faint Trans-Am glow on my shelf, I don't have any regrets. It looks incredible, the app control is a neat party trick, and the building process—while a bit fiddly—was a great way to spend a weekend.
If you've got a PG Exia in your backlog or sitting on your desk, do yourself a favor and pick up the Kosmos set. Just remember to take your time, watch your wire placement, and for the love of all things holy, test your lights before you close the armor!