"We found these things that we call clay balls. They're made
of fired clay. They're about the same size as a baseball or a
cricket ball. We don't think they were used for sport but it's quite
a nice idea."
Roddy Reagan has some more ideas
What does Sonya know
about the clay balls?
"...a sort of toy?"
"...to help boil water."
"I think ...for heating."
"...they were for warfare."