The sum of the numbers on opposite faces is 21 if numbered 1–20.
Colours vary but 2 each of 6 colors will be included.
Resealable bag.
20-sided dice (Pkt. of 12) D20 Faces are equilateral triangles. The sum of the numbers on opposite faces is 21 if numbered 1-20. Perfect for revising mental arithmetic and for d20 role playing games. Colours vary but 2 each of 6 colors will be included. Resealable bag.