Fixed Point Dices
Fixed point dice, or fixed number dice, also called loaded dice or weighted dice. It is a kind of rigged magic trick loaded dice that appear to be the unique point that you need.
Usually these weighted dices can be used in magic show to get the number that pre-tell or in any dices games.
Since you can always get that same point, you can know how to do in the next step so as to win the game.