Dominoes domino sets commercially available are double six (with 28 tiles) and double nine (with 55 tiles). Larger sets exist and are popular for games involving several players or for players looking for long domino games. The number of tiles in a set has the formula formula_1 for a double-"n" set. The most popular type of play are layout games, which fall into two main categories, blocking games and scoring games. The most basic domino variant is for two players and requires a double-six set. The 28 tiles are shuffled face down and form the "stock" or "boneyard". Each player draws
42 (dominoes) pass, the dominoes are reshuffled and the hand restarts, or in some variations, the dealer must bid 30. The 42 points consist of one (1) point for each of the seven tricks, plus 35 points from the five "count" dominoes whose total pips are a multiple of 5 (the 6-4 and double-5 for 10 points each, as well as the 4-1, 3-2, and 5-blank for 5 points each). The reward for attaining the bid is typically a tally mark, or in numerical scoring, the reward is the point total the player bid in a race to 250. The bids can