You can try putting the sign on a friend’s locker and watch them carefully try to open it. Putting the sign on a floor in a busy hallway can cause a lot of funny reactions. Try putting the sign on a front door and watch people try to carefully open it.

You can try pointing to add even more emphasis. Try talking about what it is you are pretending to look at with your friends. Ask people if they see “it”. Try to convince them that it’s something small and try to get them to say they can see something that isn’t really there.

You should all agree on using one type of accent. Don’t respond at first if the person asks what is going on. Deny that anything unusual is happening.

Take the cookie apart. Be careful not to break the cookie. Scrape off the cream filling. Apply the toothpaste to the middle of the cookie, replacing the cream filling. Carefully put the cookie back together. Be careful not to squeeze the toothpaste over the edge.

Take off the lids for both the salt and sugar containers. Dump the salt into a bowl. Pour the sugar into the salt container. Pour the salt into the sugar container. Seal them both back up and wait.

Make sure the milk container is not transparent. Only add food-safe food coloring to the milk.

Visit http://fakebsod. com/ on your friend’s computer. Press f11 on your keyboard to enter full-screen mode. Click the link that says “visit BSOD page”. Leave the computer and wait for your friend to try and use it.

Make sure you don’t unplug something other than the mouse or keyboard. Tell your friend it was a joke before they get too confused.

Avoid playing a prank during a class or meeting. Playing a prank on your friends while hanging out together should be fine. Don’t play a prank on someone if you know they are having a bad day.

In France, it’s tradition to secretly tape a fish on someone’s back. It’s normal to throw flour on people in Portugal during April Fool’s Day. In Scotland, people will send others on silly errands that don’t actually have a point. For example, they will be asked to deliver a letter to someone. The letter simply tells the recipient to have the person deliver it to someone else.