Look carefully. The balls aren't moving until struck by a pool cue. Something like that was, no doubt, developed and patented by an MIT undergrad looking to make his first million.
Ordinarily, you wouldn't see that much movement as cruiseships are pretty stable. But they happen to be undergoing some rough weather so the table is all over the place.
This monster can be found on the cruiseship 'Radiance Of The Seas,' surrounded by people that talk out of he corners of their mouths with fake British accents and laugh at knock-knock jokes.
But...why not just play shuffleboard with all the other old money?