It's JOVI brand and made in Spain and rather decent looking even with a few empty pans for mixing, and of course with an unusable shitty brush.
So here are my test paintings on a testing paper as well, which proved not so watercolor-friendly as claimed, but I totally expected that. It was mainly a play time.
A very quick 5 minute test piece, done on about A5 size paper:
So it was a test, I don't aim to do watercolors at all, I prefer the control over the strokes and the paint. Oh and the joy of adding highlights at the end! That's why I stick to acrylics and pastels.