Constructively... meh. I think the vortex effect needs little augmentation. Even those that have been through once before will still be under its power!
Practicaly... I think the guests will be leaving with ping pong souvenirs- better put your name on them- so you at least get a little advertising
Now the clear floor is a cool idea, but from a risk managment point of view- if you're going to put widely spaced wood planks down, you be best served putting them under the clear floor- no trip or ankle twisting hazard.