WODDice&reg; Mere Mortal The most popular workout dice in the world, now being rolled in over 50 countries! Over 2 million possible workout combinations! Great randomized functional training tool: Prepare for competitions like the Tough Mudder or Spartan Race The WODDice are designed to serve as a creative supplement to an otherwise well-designed, progressive program. Perfect for both the home gym AND the professional gym.