u/DarkReaper88

I have some vintage Z-Bots (some from when I was a kid & some I acquired as an adult) and I was wondering what's the best way to clean that sticky, dark colored gunk off of them without damaging the paint? Not all of them have this, just a few. Also, in case any of you were wondering, YES I plan on getting more! I only have one Mini-Z & that was the one who came with the Fang Fighter. Klash is his name I believe & I definitely want to bulk up on some of the minis. Oddly enough, my mini z doesn't have that gunk on him.