These brightly colored chunky wooden dominoes are perfectly sized for little hands to pick up and place. A timeless game that's sure to see lots of use over the years, all of the pieces can be stored inside the sturdy wooden box with its sliding lid. Helps to develop dexterity, matching skills and concentration. Made from high quality, responsibly sourced materials. Conforms to ASTM and CPSIA safety standards. Age 1+ years. Dominoes: height: 1.57", Width: 3.15", Depth: 0.16". consists of 28 play pieces.