Ever stared at something so long your eyes started playing tricks on you? That’s exactly what happens with this now-viral brain teaser. At first glance, it looks like nothing more than a box filled with clean black-and-white vertical stripes. But here’s the catch: there’s a hidden number buried deep within the lines, and most people scroll right past it without a clue.

So, the question is—can you spot it? Let’s dive into why this clever visual illusion has the internet second-guessing its eyesight.

The Visual Challenge: It’s Not What It Seems

Take a look at the image (if you haven’t already). It’s deceptively simple. Just a set of vertical black and white lines stacked side by side inside a square box. Nothing flashy. No hints. Just a cryptic message at the top saying:

“So far, no one has found the number in the box.”

That sounds like a challenge, right? And it is. Hidden within those evenly spaced lines is a two-digit number, hiding in plain sight. But before you assume it’s some trick, let me assure you: it’s there—clear as day once you know what to look for.

Video: Can You Find the Hidden Odd Number? Only 1 in 100 Succeed!

Why Most People Don’t See It Instantly

Let’s get one thing straight—this isn’t about having 20/20 vision. In fact, people with perfect eyesight struggle just as much. This illusion works by hijacking your brain’s natural way of processing contrast, shape, and pattern.

Here’s how it fools you:

• Distraction by repetition: Your eyes focus on the high-contrast stripes instead of the subtle shadows.
• Camouflaged contrast: The hidden number uses a soft gray tone that nearly blends into the white background.
• Visual orientation: The number isn’t upright. It’s flipped upside down, which completely throws your brain off track.

You’re not just trying to see the number—you’re trying to decode it. That’s what makes this illusion such a mental workout.

Want a Hint? Try These Tricks

If you’re still squinting at the box and wondering if you’re being pranked, don’t worry—you’re not alone. But there are a few tricks that might help unlock the answer:

• Squint your eyes: This reduces the detail and helps the darker shapes stand out.
• Step back: A little distance might reveal the number more clearly than up close.
• Tilt your head: Seriously, turn your head sideways or upside down.
• Flip your phone: If you’re on mobile, rotate your screen and re-examine the image.

It’s not magic—it’s just a shift in perspective. Sometimes your brain needs a new angle to solve a problem.

So… What’s the Hidden Number?

Ready for the reveal?

 The number hidden in the box is 67 — but here’s the twist — it’s upside down.

That’s why most people miss it the first time. Our brains are trained to recognize upright numbers. Flip them, throw them into a pattern of high-contrast stripes, and boom — invisibility achieved.

But once you see it? It’s like a switch flips in your brain. Suddenly, you can’t unsee it.

Why This Puzzle is More Than Just a Game

Okay, let’s be honest—it’s fun to beat the illusion. But this brain teaser also shows something much deeper about how we see the world.

Our brains crave patterns. They filter out what they consider “background noise” and focus only on the bold, obvious stuff. But sometimes, the real answer is hidden in the subtle layers we overlook.

This isn’t just a test of your eyesight. It’s a reminder to challenge your assumptions, question your first impressions, and always consider a new perspective.

Why These Puzzles Are So Addictive

People can’t get enough of optical illusions for one big reason—they mess with your expectations. They remind us that not everything is as it seems, and they reward patience, curiosity, and creativity.

In a way, illusions are like real life. You think you’re seeing the full picture until someone shows you the twist. And then? Everything changes.

Conclusion: It’s All About Perspective

Video: Find the Odd Number! Can You Spot It?

So, did you spot the 67 right away, or did it take a few tricks to get there? Either way, the lesson is clear—sometimes the answer is staring us in the face, but we need to change how we look to truly see it.

Whether you’re a puzzle pro or just love a quick brain boost, this optical illusion is a brilliant reminder of how clever and complex our vision and perception really are.

Share the challenge with a friend, and see who finds the number first.
Because sometimes, all it takes is a tilt of the head to see what’s been hiding in plain sight all along.