The set consists of 28 dominoes. There are 7 doubles (same number on both ends from double blank to double six) and 21 singles (different numbers on both ends or a number and a blank).
There are countless different domino games and within each game, there are many variations of play available. The purpose of this set of rules is to get you started with a few simple and popular games. Later, we'll give you reference information for finding many other games you would enjoy.
One of the wonderful things about dominoes is that anyone can learn the basics very quickly, but as you play and progress, you will find many additional levels of the game and as your experience and skills develop, you will become a more and more formidable player. Get started with these simple games and you will find yourself getting smarter every time you play. Dominoes is a good game for your brain.