A close look at the dice that makeup the Challenge Dice set in the Mechanics Makeover: Dice in a Cup. Challenge Dice Complete Set Complete set of the Challenge Dice prototype. Challenge Dice Big-Little Challenge Dice Big-Little Die Challenge Dice First Player Challenge Dice First Player Die Challenge Dice Only Challenge Dice Only Dice Challenge Dice Opponent 1 Challenge Dice Opponent 1 Die Challenge Dice Opponent 2 Challenge Dice Opponent 2 Die Challenge Dice Rolls Challenge Dice Rolls Die Subject Game Mechanics