Set of Unique Dice: d4, d8, d12, d24, and d60 in Black Set of five black dice with white numbers. Unique symmetric designs based on polyhedra. d4 and d8 are truncated tetrahedron and octahedron. d12 is a rhombic dodecahedron; different from most d12 dice. d24 and d60 have kite-shaped faces.