Since no one want to purchase my Ghost cube. I modified it to tetrahedron and I believe that this is the first Ghost cube modification. This would be a brother of Apollo's Tetrahedron http://twistypuzzles.com/cgi-bin/puzzle.cgi?pkey=2283
Hope you all will like it.
Sorry for the low quality pics
. If I will have a time, I'm gonna update a good quality pics.