Never mind what kind of sticks they used.  How did they deal with the problem of spontaneous combustion? 

Also, did they have an 18" Stonehenge? 

They were like a bowling pin to the Mayans.

They would set three of four up and one had to try
and knock them down ...the bowling ball was a human head.

If the player did hit one and not knock it down they would cut
of his head.
If the player could knock at least one down then he could help
work on the calendar.