how can i make a dice random with automatically move of the chips without mouse control in unity3D???

How can i create a dice in unity3d like a dice in Snakes and Ladder that the dice can control the movement of the chips based on the number of the die that shown? Ex. I roll a die in board then the die show number 3 so my chips is automatically move to the number 3 without mouse control. what code are needed for that game? thank you! Somebody help me...