Dumbest security tradeshow giveaway ever?

I don't know the company name, but while at ASIS 2008, I received two reports about a booth that was giving away fake grenades. Reportedly, these things even had a pin you could pull and they would vibrate. I was lucky at this tradeshow and could drive down for the show, but for those of you who picked one of those booth giveaways up, I sure hope you didn't put that in your carry-on for your flight back home. Let's give the marketing director a big old Homer Simpson "Doh!"on that idea. Back to the drawing board for booth chotchkies...