The battlefield was littered with cannon balls.

The closed balls in the set are all of the same size.

Coal balls are ancient plant fossils that formed during the Carboniferous period.

I have a collection of contact balls.

I need to buy some cotton balls.

The children played dodge balls in the park.

The drop-balls were scattered all over the field.

He has eight balls in his collection.

I have eight-balls in my pool table.

I attended several fancy balls last month.