These are two Scottish carpet balls that would have been used to play a game like bocce ball back in the 1800's. They played indoors on carpet. Hence the name) Just like in pool there are striped balls & solids. the plaid ball would be stripes the stick spatter star ball would be the solid. They are made of stoneware and glazed w/ different patterns. They range in size from 2 1/2" to 3 1/2"