Dominoes Mexican Train Double 12 Set _ With Color DOTS in Storage Tin Professional Mexican Train, Double 12, Dominoe Set in attractive train shaped storage tin. Solid white, super-smooth, professional size dominoes with color-coded DOTS (PIPS). 91 Dominoes. Recessed (embossed) long-lasting multi-color, traditional DOT dominoes. Each color represents a different number of dots. Professional sise dominoes measure 2 inches long by 1 inch wide, by 5/16 inches thick. Includes total of 19 colorful plastic train markers. An additional ten train markers have been added to the 9 supplied by the manufacturer.