Sounds like a great event and a lot of fun.
Just make sure you're covered with liability insurance. The last thing you need is an injury and a lawsuit.
Good luck and enjoy!
If a pair of '51 Navies were good enough for Billy Hickok, then a single Navy on my right hip is good enough for me . . . besides . . . I'm probably only half as good as he was anyways. Hiram's Rangers Badge #63