A d10 optimized for fairness by balancing the distribution of numbers, using numerals that are physically balanced, and sizing the dice based on both manufacturing and game play considerations. With a face-to-face diameter of 18 mm and an equatorial diameter of 25 mm, these d10s are significantly larger than most d10s on the market. Numbered 0-9, with one of black, white, red, blue, and green.