PAX Prime attendees can blow bubbles in Kirby's honor.
http://www.nintendoworldreport.com/news/31425
Nintendo is set to celebrate 20 years of Kirby by attempting to break the world record for the most people blowing a chewing gum bubble simultaneously at PAX Prime 2012.
On Saturday, September 1 at 1 p.m. PST, PAX Prime attendees can begin checking in at the Washington State Convention Center Expo Hall Queue Area, Level 4, Room 4A. The event is scheduled to run from 2 p.m. 3 p.m. PST. The previous record is set at 304 individuals.
In addition to the world record attempt, those involved will have the chance to win prizes and interact with a Kirby character.
In order to participate in the event, you must have a PAX badge.