Dominoes Double 6, Tournament Size, Two Toned with Spinner (center) Rivets, in wooden case Double 6 set of dominoes. Solid, black and white two-toned dominoes. (all double 6 dominoes have 28 dominoes to the set. ). Tournament/ jumbo sized dominoes. (bigger than professional and standard size. ). Smooth, solid dominoes with black dots. Every number combo from 0/0 to 6/6. Brass spinners (rivets) in center make for thorough shuffling. Please double click on added images to avoid any confusion. Wooden case with sliding top. Measures approximately 8. 5 inches long x 3 wide x 2. 25 tall.