I almost did not buy these dice when I read the reviews saying that they are 1mm smaller than the green and red ones (both of which I own). When I pulled the. Moreover, casinos regularly replace them. Why do you think you can buy used dice for fifty cents in the gift shop? Try "rolling" casino dice on. Answer 1 of Probably a pretty silly question, but I'm currently in Vegas and my mother has requested that I bring her back some previously played dice she.