A pair of all-natural, 100% plastic coconut shells stamped with the Monty Python's Cocurricular Mediaeval Reenactment Programme(link opens in new tab/window)(link opens in new tab/window)(link opens in new tab/window)(link opens in new tab/window) logo. Perfect for shaking up and rolling dice.
It goes without saying that using them to make cloppity-clop noises to simulate the sound of equine travel is right out.