Here is a simple, dangerous, and effective prank for your co-workers. Just be careful, you could definitely shoot your eye out with this prank. There is a full step-by-step at instructables on how to build your own Confetti Bomb.
I’m currently working full time as the Dexter F. Baker Professor of Practice in Creativity in the Masters of Engineering in Technical Entrepreneurship Program at Lehigh University. I’m also an avid product designer, kit maker, author, father, tinkerer, and member of the MAKE Technical Advisory board.