I got a set probably a decade+ back of something that looks pretty similar - a guy who was just experimenting at his workplace worked up a small-batch production method. Can't recall what he called them though to search up. Two epoxy bulbs around a penny is an amazing token weight, and they stick to each other so you can make stacks up to 5 without much trouble.
I wound up with two generic sets (geometric shapes for ranked counters, with N points on the shape, plus a set that's good for +1, -1, and damage counters) and I've been using them ad-hoc for misc games on and off since.