These 16mm transparent blue Glow in the Dark Spots dice have nice, smooth rounded-edges that make for a great feel and roll. They are numbered 1 to 6 with glow in the dark pips, spots, etched into the surface of the dice. The glow in the dark feature is displayed in the gallery images - dice must be exposed to light to 'charge' the spots and emits light for a short amount of time at varying strength in the dark. Use these novelty Glow in the Dark Spots dice to play your favorite dice and board games or use as fun party gag! Purchase includes 5 dice enclosed in a plastic reusable tube.Koplow Games Dice are some of the best in the hobby, with well painted and etched numbers/pips/text.WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.