21 photos of the best pranks we've ever seen

Don't be an April fool.

Scroll down to view images
Replacing all of someone's pens with crayons because you're a child. (Photo via Flickr user Matt Doucette)
Replacing all of someone's pens with crayons because you're a child. (Photo via Flickr user Matt Doucette)
Aluminum foil office. Classic. (Photo via Flickr user Larry Quinn)
Aluminum foil office. Classic. (Photo via Flickr user Larry Quinn)
We admire the time commitment shown here. (Photo via Flickr user Disterics)
We admire the time commitment shown here. (Photo via Flickr user Disterics)
Amazing. (Photo via Flickr user Casey Bisson)
Amazing. (Photo via Flickr user Casey Bisson)
Weird but ok. (Photo via Flickr user WetWebWork)
Weird but ok. (Photo via Flickr user WetWebWork)
Basically setting anyone's homescreen/desktop background to porn always works. (Photo via Flickr user Vicky Somma)
Basically setting anyone's homescreen/desktop background to porn always works. (Photo via Flickr user Vicky Somma)
Switching up the marker colors. (Photo via Flickr user Ross Hermes)
Switching up the marker colors. (Photo via Flickr user Ross Hermes)
The cutest prank ever. (Photo via Flickr user Tais Melillo)
The cutest prank ever. (Photo via Flickr user Tais Melillo)
Saran car! (Photo via Flickr user Lovecatz)
Saran car! (Photo via Flickr user Lovecatz)
Sticky notes: handy yet annoying as shit when they're everywhere. (Photo via Flickr user 5gig)
Sticky notes: handy yet annoying as shit when they're everywhere. (Photo via Flickr user 5gig)