double dominoDouble-six dominoes, with 28 tiles; Double-nine dominoes, with 55 tiles; Double-fifteen dominoes with 136 tiles; Double-ehteen dominoes with 190 tiles; Getting Started Equipment and numberDouble 12 Dominoes Double 12 dominoes allow you to play many variations of domino games including Mexican Train, Bergen, Tiddle-a-Wink, Matador, Four-Hand Texas, Muggins, Poker,