If event meets the following criteria, you need a Bump Zone. (More participants then the maximum allowed with a rental, Other activities happening at the same time (like a fun fair) and participants lining up to try the KB Bump Zone, Participants will be paying or signing waivers the day of the event)

*If there are many patrons walking around or Knockerball will be in close proximity to other vendors or activities, you may be required to add a inflatable field as a safety barrier at $100 per hour.

*If this is a nighttime event, quality lighting such as a light tower or athletic field lighting from above at the Knockerball area is required.