Has anyone tried the YJ Ruishi/Ruifu

[cuber314159]

I have noticed two new puzzles on magiccubemall and lightake that do not appear to appear on any other cube stores site.
https://www.magiccubemall.com/p/YJ-...oys-for-Brain-Trainning-Colorful_2492337.html
https://www.magiccubemall.com/p/YJ-...oys-for-Brain-Trainning-Colorful_2479276.html
has anyone tried either of these? and if so, are they any good?