Who Makes Prism 7 Tv How Many Tennis Balls Are In This Container?

How many tennis balls are in this container? - who makes prism 7 tv

It is a prism 7 meters tall and has a square base whose sides is six feet tall ..
Basically, 2 feet (61 cm) WX 2 feet (61 cm) DX 7 feet (213.4) H


All container is 1.3 cm thick and consists entirely made of Plexiglas.
It is filled to the brim with tennis balls Prince .. How many are in the container? I really appreciate your help.