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By on March 2, 2011, with 51 Comments

Week ago, Deceptology blog brought another hard-to-believe brain teaser, based on a relatively known type of old-school optical illusion.

What you should do is check out the the two matchboxes on your right. I can’t imagine how capable the person trying to persuade you into believing this should be, but what I can tell you is how it would be a perfectly sane claim. I’ll take it for granted you trust me on this one, specially if you take into account length and nature of our mutual friendship.

If all this still isn’t enough, let me convince you by sharing this strong proof, one you won’t be able to ignore. This simple animated .gif below, shows in practice how both of the matchbox sides are actually identical. My intuition tells me our brain prevents us to see them as they are, based on the depth it perceives, just like we explained few days ago in “Sphere Brothers” article.

  • RandomPieLover


  • fossda

    cool, could you use that illusion an ipod touch cos you can change from portrait to landscape

    • Slammer

      You’re right! I just tried that with my ipod touch. When you put it in those two possitions and compare, one way does make it look longer. I wonder if Apple has subtly used this effect in marketing at all…

    • valen master

      its not the same match box, the striker isnt on the same side as the other one.

    • Claus

      Dude.. MOST matchboxes ive seen got the striking thing on BOTH sides

  • http://www.facebook.com/people/Richard-Haviland/100000657164709 Richard Haviland

    I don’t know, for sure what my brain is seeing.I don’t know whether I’m seeing an optical illusion or a plain ‘ol trick. I’m curious to see what others “see”……….

    • http://www.facebook.com/people/Richard-Haviland/100000657164709 Richard Haviland

      Why am I still in moderation. This happens to me all the time, what is GOING ON?

  • rbngdfllw

    The animation is deceptive. Evn thugh the sides are he ame size, the angles do not coincide.

  • Adam

    I don’t understand this one. Looking at both, I could tell right away they are the same matchbox with one on the side… I’ve liked the other illusions but this one just didn’t work for me.

  • Care Bear

    I’m not sure what it’s supposed to be. Maybe I’m just jaded.

  • Dbabycakes

    ur stupid ppl

  • Joe Black

    I don’t get it! What’s the illusion? The boxes are the same size.

  • O_o

    Am I missing something? I don’t get it….

  • Rahowa

    Why wouldn’t you believe they are identical ? It seems obvious to me . Am I missing something ?

  • Jenyffer

    naaa..i dont beleive this one.

    they could have easily sized it when rotating.

  • um


    what am i suppose to be seeing?

  • The Thinker

    I actually just saw two identical matchboxes until you pointed out that both of the matchbox sides are identical…after that the one to the left looked longer.

  • RJ

    ….I don’t get it.

  • mangyman

    It’s a fake illusion. I measured the dimensions and they don’t match.

    • Padma

      who has that much time???

  • George

    The optical illusion is valid, but the animation is ridiculous. One of the worst “proofs” I have ever seen.

  • George

    I take it back. I believe the illusion, too, is badly designed. As it is now, the left matchbox’s face IS larger than the right one’s.
    Anyone else, please confirm.

  • George

    Sorry, not larger. Different in both dimensions.

  • demoblah

    I don’t get it… It looks like theres two matchboxes one on its side but other than that.. nothing

  • Moncla

    wait…they’re supposed to look different? I clicked the link because they looked the same to me and I couldn’t figure out what the illusion was…my eyes are broken?

  • http://plmethvin.deviantart.com/ plmethvin

    I don’t get it. They both looked identical to start with. The only illusion I see is the bird, at one angle, looking like a goat, which is the animal that the devil is portrayed as. Well, either that or a serpent.

  • Ryan Lest

    Rubbish, measure them…………

  • obama’s butt wipe

    I dont get it

  • ramiro

    thats stupid

  • Federico Hosiasson

    I dont get it

  • Bruno

    but, what’s the point?

  • pro drafter

    Actually the labels are not exactly the same size. (Not on my monitor anyway.) The astonishing thing is that, when I put a rule up to each side of each box, the horizontal box measures slightly shorter, and taller, than the vertical box. Exactly the opposite of the way the illusion makes them appear to me.

  • Kieran McEwan

    whats the illusion?

  • ohmygosh

    seen similar ones before.

  • Samuel

    The Boxes Are Not The Same The Striker Strips On The Wrong Side

    • Janet

      “The Boxes Are Not The Same The Striker Strips On The Wrong Side”

      A friend brought back a box of these matches from Holland in 2007- and there are strikers on both sides of the box.

  • Kimon

    Actually the animation is not convincing. The last frame of the flying image looks stretched.

    So I prefer to look at this thing by forcing my brain to ignore everything but the image in question.

  • Dfrysk

    ??? I dont get it. 2 matchboxes the same size are shown and the top side of the left one flies on top of the right one to confirm it, where is the illusion?

  • cletus

    What is going on here? They are not the same image, not the same width, and not the same height (Thanks Snipping Tool and MSPaint). And they don’t look the same.

    What is the illusion?

  • Jeff

    What am I missing? The two faces are not the same. Hold up a piece of paper to the corner near the “R”. The version on the left is an obtuse angle while the other version is acute. The ‘comparison’ just changes in the third frame. Or am I missing something?

  • Travis

    This is the exact same thing you perceive with your widescreen TV. It’s due to the fact of your eyes orientation. the fact that you have 2 eyes on a horizontal plane making one picture makes when you watch your tv upright look relatively square with just slight rectangulation. Then if you lay down sideways the TV looks very long as your eyes have no way to make the TV seems more square. Try it the next time your watching.

  • anonymous

    meh its not that weird…

  • Nina

    I don’t get it, from far and close they seem the same size

  • s

    what is the illisusion here

  • Pete

    What is the illusion here? I can’t see anything out of the ordinary…

  • ZL123

    Cool! I always believed that. I love illusions.
    Somehow, on my school, this site is blocked, and categorised ‘Games’. :(

  • Blub

    Can’t see Luzer at all …

  • daniel

    i dont get it?

    it just looks like a box on its side and another standing up…

    what am i missing guys?

  • Mr Barnett

    The notes for this are very badly written. Only by going to the “old school optical illusion” page do you find out the illusion is that the matchboxes are the same size, when they don’t look it.

    Actually, to me they do look the same size, in spite of the false perspective, which is the point of the diagram.

  • Tom

    The illusion is that the box on the left is actually shorter in length that the box on the right

  • Sofia Antonia Milone

    If you look carefully at the box lying down you see that the ‘face’ image is rather badly seeping into the strike area at the top right hand corner (the yellow disguises where the natural line is).

    This is only noticable when the gif starts its ‘proof’ run – the incorrect line is covered suddenly by the correct one which shows it to be false, and blends into the yellow.

    This is how the artist intends to fool us, by manipulating the perceived angle and stretching the proportion in our head to think it is narrower and longer (which overall actually it IS if you take the whole box into account) – but the front image being translated IS actually probably exactly the same size.

    Just not executed very well.