Put tape on the water tap
This practical joke is plain and simple, thus perfect for rookie April Foolers. Put some tape under the water tap. When they turn it on, water squirts everywhere.
All you need is some 'invisible' tape! Good luck!
More April Fool Pranks
Plants in your coworker's keyboard
This prank needs some preperation but is really worth it. Your coworker will show up and his keyboard will be full of little grasplants!
This prank is one to build up to April Fools Day. Every time you are near someone leave pennies / small coins without them noticing.
Many people use their smartphone all the time, so one of the best ways to mess with them on April Fools' Day is to mess with their smartphone.