Instructables
Picture of head in a jar prank

Hungry? Scare those fridge-bound famished food foragers with a head in a jar!

Using a photo editor, two pictures are blended together to create flat image of a head, which is then laminated and submerged in a jar. When the flattened image in inserted into the curved jar, along with the distortion from the water, gives the illusion of a decapitated head in a jar of preserving fluid.

Here's what you need to make your own:

  • Photo editing software
  • Large jar
  • food colouring
  • printer + access to lamination service (local print/copy store)

Making your own head in a jar is easy, but requires some photo editing skills. I've included a tutorial on how I made mine, and took me about 30 minutes to compose. Personalizing this prank will make it more effective. But, if you're not a pro with photo editing, you can download my flattened head image below.

 
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Step 1: Take photos + import

Picture of Take photos + import
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To make the head printout you'll need 2 pictures of a head, a profile and a portrait. With the camera at eye-level, take a picture straight on and one from the side. Ensure your subject is well lit. Also, ask them to make a face.

Next we'll import these images into a photo editing suite. Since the final output will be on a standard A4 / 8.5" x 11" printer paper, start by opening your photo editing software and opening a new document set to your printer paper size. Then, import the profile and portrait pictures of your subject onto new layers and resize them to fit your workspace. We'll resize them again after merging the faces together.

Step 2: Adjust levels + align images

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Using your photo editor trim away any background so that you are left with just the face.

After trimming, if your two pictures have different lighting adjust the lighting levels (ctrl+L in most applications)

Using the eye as a level, align the two images so the features match up from the profile to the portrait (eyes, mouth, nose all aligned). Almost all photo editors have a ruler function, these help keep things true.

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LilyL made it!yesterday

this is amazing. thank you mikeasaurus for bringing this into my life. =^.^=

i did all three end to end in just over 2 hrs, and $10 (already had the jars)

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slamort made it!1 month ago

I actually took three pictures, a separate one for both sides, so they are consistent with the lighting
€7.50 jar from Blokker
€4.25 printjob including lamination
A bit more green and a lot less blue food coloring than I intended.
Thank you for this awesome idea :D

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patatarium2 months ago
Hahahahaha check cette connerie lollllll
http://www.conneriesqc.com/2014/03/25/comment-creer-lillusion-dune-tete-dans-un-bol/
Sebastian Cardoso made it!2 months ago

Hi, thanks for the instructions, my camp is more fun. My mother hated! and I did a tutorial in Portuguese: https://www.facebook.com/sebastian.cardoso.315/media_set?set=a.10152060883607364.1073741860.569807363&type=1

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mikeasaurus (author)  Sebastian Cardoso2 months ago

Oooh, spooky by the fire!

Thanks for sharing your version (and I love your avatar image). Enjoy the patch and 3-month Pro Membership!

TrieuIV2 months ago

ha ha ha :v funny ^^

bauerbach2 months ago
Nice Halloween prank!
lebowski made it!4 months ago

Justin Bieber right where he should be. I used pixlr for my photo editing. The blending was tough, I mostly used the clone tool, and played with opacity for some blending effects. I'll let you know how the prank goes tomorrow.

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cdi nova lebowski3 months ago

How'd the prank go? LOL..

Tried using pixlr but couldn't get rid of the borders around each photo to merge the forward and profile together.

mikeasaurus (author)  lebowski4 months ago

The only good Bieber is a jar head Bieber.

cdi nova made it!3 months ago

I did it! Well, sort of..I cheated..didn't laminate or do water yet..not happy with my editing job so will continue to play when I have time...then go for the rest of the process.

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simmew2 made it!4 months ago

Just a quick test. I´m not fully satisfied, but now i know how to do it ^^

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bmurray12 simmew23 months ago
I like the original better tbh
mikeasaurus (author)  simmew24 months ago

Ha, looks great!

Please share your update when you do this again, I'd love to see it. Enjoy the patch and 3-month Pro.

Thank you very much for the pro membership ^^
cdi nova3 months ago

Don't have the necessary photo program :-( If I uploaded the pics of my BF, would someone be able to do it for me? :-)

ThisIsSteve3 months ago

I bet I could freak out my friends with this. Really awesome.

lindarose923 months ago

Look at what I have just found on Facebook: https://fbcdn-sphotos-d-a.akamaihd.net/hphotos-ak-...

The world is small. Or maybe I should say "the web" is small! :D

mikeasaurus (author)  lindarose923 months ago

I'm Facebook famous in Italian!

bob813543 months ago

can you tell me what editing software you use

CSA70 made it!4 months ago

My husband teaches eighth grade and I thought this would be the perfect April Fool's prank for him to pull in the teachers lounge. I took a photo of him with his face smashed up against a window and laminated it as suggested. We didn't have any food coloring on hand, so I used some yellow and brown Rit Fabric Dye instead. I also added a spoonful of flour and some bits of chicken for "floating debris". Cheap craft fur was added to look like hair, which was kept afloat by an empty plastic bottle place underneath.

The head made it's way throughout the school and eventually ended up in the closet of an unsuspecting teacher who was away for a few days. Thanks for the the tutorial~it was a hit :)

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mikeasaurus (author)  CSA704 months ago

Ooh, the hair is a nice touch. Glad is spooked a few people.

Thanks for sharing, enjoy the Pro Membership!

CSA70 mikeasaurus4 months ago

Thanks for the membership and patch ;)

brianm9104 months ago

What color of food colouring is best?

xacrox made it!4 months ago

Had to put it in something my wife uses daily.
P.S. My glasses were a bugger to Photoshop.

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mikeasaurus (author)  xacrox4 months ago

Fun alternative putting it in a plastic juice jug, glad to see it's visible. Did it scare your target?

I was getting impatient... I had to finally ask her if I needed to refill the juice jug to get her to check the fridge.

When she looked in the fridge she said "OH GOD!" and started to laugh!

Prank successful!
Thanks so much for the neat idea & for the 3 month membership!

sukoshi made it!4 months ago

Looks like it's a real success :)

My favorite prank ever !

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mikeasaurus (author)  sukoshi4 months ago

Ha, thanks for sharing your pictures. Looking good!

Doug Duncan made it!4 months ago

Didn't have time to do my own head for April Fools day so did the one provided. My 10 year old son opened the fridge and said "Whose is that?". LOL, I guess he is just too desensitized from his zombie video games. LOL

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mikeasaurus (author)  Doug Duncan4 months ago

Kids these days. Others will likely be terrified. Maybe try it again closer to Halloween?

gspenik made it!4 months ago

Thanks for the idea. I am waiting for my wife's reaction when she get's home tonight. I did it the "easy" way by scanning my head (rotate your face following the scanner bar) as somebody else recommended.

head in fridge.jpg
mikeasaurus (author)  gspenik4 months ago

Good idea with the photocopier, the effect is funny!

propart gspenik4 months ago

Best one!!!

mishagirl8 made it!4 months ago

I made it! It scared my mom, the houscleaner, several of my friends on Facebook (through a photo!) and I got asked a million times how I made it! THANKS!

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mikeasaurus (author)  mishagirl84 months ago

Happy to help spread terror to those close to you :)

pazbi made it!4 months ago

This was a brilliant April Fools prank. Scared several guests, huehuehue. Thanks :^)

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mikeasaurus (author)  pazbi4 months ago

Excellent!

designnerd made it!4 months ago

It would've helped if I had a narrower jar (and a few more groceries to surround it with!!!), but it gave my boyfriend a good laugh! Going to be repeating this again for many more audiences in the future!!!

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mikeasaurus (author)  designnerd4 months ago

In some ways, it's scarier with less things in the fridge.

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