Dice acts using sex dice. Dice may have numbers that do not form a counting sequence starting at one. One variation on the standard die is known as the "average" die. These are six-sided dice with sides numbered codice_3, which have the same arithmetic mean as a standard die (3.5 for a single die, 7 for a pair of dice), but have a narrower range of possible values (2 through 5 for one, 4 through 10 for a pair). They are used in some table-top wargames, where a narrower range of numbers is required. Other numbered variations include Sicherman dice and
Sex dice Sex dice Sex dice is a dice game intended to heighten the sexual atmosphere and promote foreplay. Instead of numbers, each face on the dice contains the name of a body part; the body part that faces up when the die is rolled must then be given sexual attention. "The Daily Princetonian" suggests rolling sex dice to "break the ice and extend [one's] foreplay." The "University Daily Kansan" advises a roll of the sex dice for those who are not particularly limber (and therefore cannot try "new and inventive position[s]") as a means to "bring variety to [one's] bedroom romps."