Dominoes Double 6, Tournament Size, Two Toned with Spinner (center) Rivets Double 6 Set of Dominoes. Solid, two-toned (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. Deluxe sturdy, hinged, two-toned, leatherette case measures 8.5 x 5.5 x 1.75 inches.