Dominoes are a type of tile game. Each domino is twice as long as it is wide and features a squared off end with dots (also called pips) that indicate its value, usually from one to six. The most common domino set contains 91 tiles. Larger sets may contain as many as 253 tiles, but these are rarely used in practice.

Dominos are typically played with a domino board, which is a large flat surface that includes an area for laying out the dominoes and another area for drawing arrows to show how they will fall when the first domino is pushed down. The rules of the various games differ from place to place, and different countries have their own regional variations. However, most of the basic rules shown on this website are universally accepted.

There are countless variations of the game, but most involve scoring points by positioning dominoes edge to edge against one another so that the adjacent pips match (i.e., a one’s touch a two’s or a five’s touch a six). The resulting line of dominoes is then ‘dominated’, meaning that the remaining pips are then exposed and vulnerable to be knocked off by additional pieces.

The speed at which the dominoes fall is similar to the speed at which nerve impulses travel along neurons in your body. When the first domino is toppled, the second domino falls rapidly, and the process repeats until all of the dominoes have fallen.

In some cases, the dominoes are arranged in a grid to form patterns or pictures. These arrangements are sometimes referred to as domino art or “domination.” Domino art can be simple lines of dominoes, stacked walls, or even 3D structures such as pyramids and towers.

Dominoes are often made from natural materials such as bone, silver lip ocean pearl oyster shell (mother of pearl, or MOP), ivory, or a dark hardwood such as ebony with contrasting black or white pips inlaid or painted on. There are also some sets made from man-made materials such as polymer or plastic.

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