Today's dice history lesson: a look at inventor Fredda Sydney Sieve and her 1963 Zazz "Polyspheres," a pre-D&D set of five polyhedral dice. https://t.co/gEZ2PeG6OB #dnd #rpg #dice pic.twitter.com/Zey3ZR7NAU

— Jon Peterson (@docetist) November 13, 2020