Introduction: How to Sabotage Someone's Take-out Lunch

About: I'm just a prankster and love life hacks

April fools is almost here, have you thought about any mean pranks you can pull off on your co-workers? 
Well, here's one for you.  It might get a little messy but it sure gets the job done.

You will need:
* 1 water balloon
* 1 Safety Pin
*  String
*  Tape
*  Kool-aid (optional)
* Cutting Tool
*  Your victim's take-out lunch