The main prank that we play with props is for people's birthdays. The special effects people will put a little explosive in the cake so it blows up in their face - that's always fun to play on a guest star or one of the trainees or someone who's new.
This is probably why my life is easier and my family is very happy because we never lie each other. This is probably all people supposed to feel each other so be always in all of the world they'll be peace.