>>7496639I guess they are meant to be fully customisable. The removable wig alone open infinite possibility. The default shit wig can be easily replaced by something better.
As for the clothes, those dolls are pretty small so I don't really know what other clothes may fit.
As for the stand, the peg is standard and plug in the doll's nape. It's also compatible with recent Transformers! One may even buy the doll for the stand and the green screen backdrop alone.