There is an act we have every other week all winter that has been using a contraption similar to this forever. And last season another act saw it and went and built their own copy. Then we get to have two acts come through and blow TP all over the place.
Looks fairly harmless. You'd probably only have to worry about spilled drinks, displaced napkins. Use LED lighting and you'll be golden. I see it in the same realm as silly string that someone posted on recently.
There is an act we have every other week all winter that has been using a contraption similar to this forever. And last season another act saw it and went and built their own copy. Then we get to have two acts come through and blow TP all over the place.