How to Play Mexican Train Dominoes | Official Rules

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 dominoes are played across the of play TURNING FOR CONVENIENCE Although you normally play in a , if you run out of table space, you can play a domino at a 90 degree angle