The mathematical properties of the distribution of the numbers on the sides are very pleasing.<p>They remind me of the (absolutely fascinating) &quot;Go first&quot; dice[1], any subset of which are guaranteed to produce a perfectly fair ranking.<p>1 - <a href="http:&#x2F;&#x2F;www.ericharshbarger.org&#x2F;dice&#x2F;go_first_dice.html" rel="nofollow">http:&#x2F;&#x2F;www.ericharshbarger.org&#x2F;dice&#x2F;go_first_dice.html</a>