double dominoPrintable Domino Double-Twelve Set. Combinations of the numbers 1-12 are listed as pips on the two halves of each of the tiles in this extended dominoes set. Download in PDF Format (free!)Dominoes is a tile-based game containing 28 tiles set. Each tile has two sides with different numbers between 0 and 6. The game objective is to place all tiles on the table and get rid of