Flashing dice are really great buys. Throw them to save you from throwing snake eyes. Use dice for craps or Dungeons and Dragons. Use them for yatzee or even backgammon. So get some of these dice if winning’s your goal. They light up and flash when they bounce or they roll. Length: 1.1 in. , 2.79 cm. Width: 1.1 in. , 2.79 cm. Height: 1.1 in. , 2.79 cm. Dice Colors: Blue, Green, Pink, Purple LED Colors: 1 Blue, 1 Red Batteries: Batteries for this item are NOT Replaceable.