Here are some cute pranks I found from martha Stewart.com
Blue milk…. Yummy?
Green eggs and ham.. Or just add food coloring to any food on april fools
Blue water coming out of the tap. check out the link on how to do it : http://www.marthastewart.com/274998/april-fools-day-pranks#/273512
Changing the time ahead and changing the alarm. I used to do this to my ex all the time. Haha.