When thrown or rolled, the die comes to rest showing on its upper surface a random integer from one to six, each value being equally likely. A dice tray, a tray used to contain thrown dice, is sometimes used for gambling primedice bitcoin wiki board games, in particular to allow dice throws which do not interfere with other game pieces. Dice have been used since before recorded history, and it is uncertain where they originated.
The Egyptian game of Senet was played with dice. Senet was played before 3000 BC and up to the 2nd century AD. It was probably a racing game, but there is no scholarly consensus on the rules of Senet. Dicing was even a popular pastime of emperors. Letters by Augustus to Tacitus and his daughter recount his hobby of dicing. There were two sizes of Roman dice.
Dominoes and playing cards originated in China as developments from dice. The transition from dice to playing cards occurred in China around the Tang dynasty, and coincides with the technological transition from rolls of manuscripts to block printed books. The face of the die that is uppermost when it comes to rest provides the value of the throw. One typical dice game today is craps, where two dice are thrown simultaneously and wagers are made on the total value of the two dice.