Product Description: The ideal set for Mexican train dominoes. Includes plastic starter piece, 4 trains, and 91 double-twelve dominoes stored neatly in a 7-1/2" x 4-1/2" x 3" tin. Includes instructions for a variety of games. Recommended for 8 years and up and fun for the whole family. Are you clicking yet? play dominoes! it isn't just one game, as many people think-theree are many games and variations at many skill levels. Domino sets vary in size and complexity, according to the number of dots. This big double twelve set has 91 domino pieces, and each piece has from one to 12 color-coded dots at each end, or no dots (blank). the pieces can be used to play 16 different games; instructions for all the games are included. Made of a heavy white, ivory-like plastic, the pieces are 2 inches long, 1 inch wide, and 3 inch thick, and they store neatly in their case.