Common domino set sizes include small game sets and larger toppling kits. Typical tile counts listed are 28-piece sets, 59-piece sets, 91-piece (double-12) sets, and larger toppling kits around 200 pieces.
Domino games are described as supporting number skills, matching, concentration, and fine motor development. Toy-style and toppling sets also introduce basic STEM ideas such as potential energy, momentum, and gravity.
Many sets use color-coded or assorted color dots on ivory or white tiles. Other options include illustrated or novelty tiles (for example, dinosaur art) and themed pastel or metallic character dominoes used particularly for toppling displays.
Results include illustrated matching sets (for example, dinosaur designs), large themed toppling kits with pastel or metallic character dominoes and build guides, and toy-style course sets that add mechanical features like a robot hammer, ball tracks, and tunnels.
Examples listed include 2.04 x 1.02 x 0.4 in. for a double-12 set and a professional-size specification of 1 x 2 x 3/8 inches.