High Quality Content by WIKIPEDIA articles! Sicherman dice are the only pair of 6-sided dice which are not normal dice, bear only positive integers, and have the same probability distribution for the sum as normal dice. The faces on the dice are numbered 1, 2, 2, 3, 3, 4 and 1, 3, 4, 5, 6, 8. Crazy dice refers to a standard mathematical problem or puzzle in elementary combinatorics, involving a re-labeling the faces of a pair of six-sided dice to reproduce the same frequency of sums as the standard labeling. It is a standard exercise in elementary combinatorics to calculate the number of ways of rolling any given value with a pair of fair six-sided dice (by taking the sum of the two rolls). These dice were discovered by Colonel George Sicherman, of Buffalo, New York and were originally reported by Martin Gardner in a 1978 article in Scientific American.