How Many Dominoes Are in a Set? (All Sets)

double dominoOfficial rules for playing Mexican Train Dominoes Domino Set: Double-Twelves Number of Rounds: 13 Number of Players: 4 Number of Trains: 5 Number ofA double-12 domino. A double is any tile with identical pips on both sides. Using a quarter or penny is a great way to mark an open train or station. Each player’s first move & opening private trains