THIS is the fun bot-based brain teaser to test your eyesight and logic skills.
Everyone can see the three people lined up, but only those with 20/20 vision and a high IQ can figure out which one is in fact a robot.
The three friends look to be off on some kind of adventure.
The right-hand man and woman have rocked up in their hiking gear, kitted out with boots and shorts.
They've even come equipped with trusty staffs.
The woman seems much more excited than the fella - who is looking pretty shifty.
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The man on the left has arrived laden with logs.
Good thinking for when they set up camp - but a bit of a burden for the trek there.
But the question is - which one of these pals is all nuts and bolts beneath the skin?
You'll have to look closely to figure it out.
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Don't worry if you're struggling - we can't all be geniuses - but here comes a clue.
It might help to take in the campers' surroundings - not just the people themselves.
If you really can't sort the flesh from the tech, head to the bottom of the page for the solution.
People who are able to solve the puzzle quickly possess good observational skills and high cognitive speed.
It tests your ability to process a high volume of visual information and the ability to concentrate under high amounts of pressure.
Psychologists at The University of Glasgow found that staring at an optical illusion can improve eye sight by allowing you to see small print.
How can optical illusions and brainteasers help me?
Engaging in activities like solving optical illusions and brainteasers can have many cognitive benefits as it can stimulate various brain regions.
Some benefits include:
- Cognitive stimulation: Engaging in these activities challenges the brain, promoting mental agility and flexibility.
- Problem-solving skills: Regular practice enhances analytical thinking and problem-solving abilities.
- Memory improvement: These challenges often require memory recall and can contribute to better memory function.
- Creativity: They encourage thinking outside the box, fostering creativity and innovative thought processes.
- Focus and attention: Working on optical illusions and brainteasers requires concentration, contributing to improved focus.
- Stress relief: The enjoyable nature of these puzzles can act as a form of relaxation and stress relief.
As promised, here's the solution.
The man on the RIGHT is the robot - and you can tell from the tyre tracks he's trailing behind.
Now you're firing on all cylinders, have a go at some more teasers below.