Are you ready to put your observation skills to the test? Here’s a visual brain teaser that’s been puzzling netizens and challenging even the sharpest eyes.
In this optical illusion, the image is filled with repeating instances of the number 61 — but hidden among them are the elusive numbers 66 and 67.
Your challenge? Spot both 66 and 67 in under 6 seconds.
At first glance, it may look like just a sea of identical numbers, but look closely — your brain might try to play tricks on you! These illusions are not only fun but also a great way to give your brain a mini workout. They test your focus, pattern recognition, and visual acuity.
Optical Illusion: Within 6 Seconds Spot The Number 66 and 67 among 61
This optical illusion is a fun and tricky test of your observation skills and attention to detail. At first glance, the image appears to be filled entirely with the number 61 repeated in a grid.
However, hidden among them are the numbers 66 and 67, cleverly disguised to blend in with the rest. Your task is to spot both 66 and 67 within just 6 seconds—a real challenge for even the sharpest eyes!
These kinds of visual puzzles not only entertain but also help boost cognitive functions like focus and pattern recognition. Give it a try and see how quickly you can spot the odd ones out!

Optical Illusion: Within 6 Seconds Spot The Number 66 and 67 among 61 - Solution
In this optical illusion, the numbers 66 and 67 are cleverly hidden among a sea of 61s, making them tricky to spot at first glance.
However, with careful observation, you can find the number 66 slightly above the center of the image, and the number 67 located towards the bottom-right area.
Both are subtly camouflaged to blend with the surrounding 61s, testing your focus and attention to detail. If you managed to spot both within 6 seconds—congratulations, you've got sharp eyes!
