1. Place a “house for sale” ad in the newspaper for someone’s home.
2. Hard boil all the eggs in the carton and place them back in the refrigerator.
3. Leave a note on someone’s car apologizing for an accident that never actually happened.
4. Cover a toilet seat with plastic wrap.
5. Borrow someone’s cell phone and change the language setting to a foreign language.
6. Glue all the eggs into the carton.
7. Swap the signs on the men’s and ladies’ rest rooms.
8. Turn every setting in someone’s car to the maximum: the heat, the radio, the wipers, the seats, etc.
9. Change the language for Google on someone’s computer.
10. Take the door knob off a door and put it back on backwards, then lock it and leave the door open.
11. Replace Oreo cream-filling with toothpaste and offer one to someone.
12. Take something from someone’s office and leave them a ransom note.
13. Bring multiple sets of clothes to work, change every hour, and act like nothing’s different.
14. Hide scented air fresheners all over someone’s office.
15. Hide all of the desktop icons on someone’s computer and replace the monitor’s wallpaper with a screen-shot of their desktop.
16. Glue the headset of someone’s phone down to the cradle.
17. Add food coloring to milk that comes in a cardboard container.
18. Put a “Please Use Other Door” sign on the entrance to your office building if it only has one entrance.
19. Switch the Push and Pull signs on a set of doors.
20. Hard boil all the eggs in the carton and place them back in the refrigerator.
21. Paint the tips of someone’s pen and pencil with clear nail polish so none of them work.
22. Fill someone’s hair-dryer with baby powder.
23. Leave cryptic notes warning someone of an impending prank then do nothing all day.
24. Rubber band the sprayer on the kitchen sink into the “on” position.
25. Hide an alarm clock in someone’s bedroom and set it for 3:00 a.m.
26. Rearrange somebody’s drawers or file cabinets in a different order.
27. Put tape over the optical sensor of someone’s mouse.
28. Grab your biggest knife, then cover it and your hand in ketchup. Run into any occupied room while screaming.