This Mexican Train Dominoes set comes with everything you need to enjoy one of the most popular domino games played today:

• 91 Double 12 Professional Size (2" x 1" x 3/8") Dominoes with Colored Dots
• A Plastic Center Hub
• Electronic Choo Choo Train Keychain (batteries included)
• 8 Mexican Train Markers in Assorted Colors
• Complete Game Rules
• 1 Leatherette Case with Snaps

Depending on the manufacturer, domino sizes can differ. According to the size chart we've provided in the smaller secondary image, these are "Professional" size dominoes.