Throwable Mic

A microphone you can throw around at events:
http://www.springwise.com/life_hacks/speaking-event-mic-thrown-audience/

IKEA Xmas Tree 'Rental'

Ikea, in the US and Austria at least, are renting(ish) real Xmas trees. Buy it for 25 dollars, and get a 10 dollar voucher when you return it.