This is just a decoration. There is no distinction between good and bad. Yes
Feng Shui is the law of nature. Taoist nature!
Good feng shui. Put anything special? Feng shui is still good. If feng shui is not good, it is useless to put more "special" and "myth" things! Small objects have little effect on feng shui.
Of course, for some people, it can play a comforting role. For some people, it can also be used to fool people!