Okay, so I pass along this article with the disclaimer that these are pranks and you need to know your office and your co-workers before trying them. I do not condone them, but I think they’re pretty funny. So, use with caution.

http://www.bustle.com/articles/69310-10-april-fools-day-pranks-for-the-office-that-probably-wont-cost-you-your-job