The Jewel boasts a pair of gyroscopic pool tables that are entertaining to watch, especially in rough weather. They're rumored to cost up to $100,000 each! It's amazing to watch them moving around in rocky seas, except that it's the ship that's moving and the table itself remaining level.
Okay, so it wouldn't rock too much for us. We should have taken a video during the a couple of the rockier sea days. But here is a better video to give you an idea.