Something happens when you stare at mind-bending optical illusion for 15 seconds

Brainteasers can be an entertaining way to test your intelligence.

Often are made for fun, but can spark a flurry of debates. But the truth is, regular puzzles are a good way to boost multiple skills and even sharpen your brain, as well as test your eyesight.

While scientists still don't understand how work, they're a great way to put your skills to the ultimate test. Now the latest illusion on , which has gone , left many users absolutely mind-blown. So what do you see?

In the clip, shared earlier this week, Lori Greiner decided to test her 2.2million followers. She pounced right in and asked viewers to "stare at the black dot in the centre of the rainbow". She added: "Keep looking at it, count for 15 seconds."

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When you've done that for a few seconds, you must look up at the ceiling, stare at it and blink. She concluded: "Once you blink, you're going to see something really cool if you like what you see, share it with a friend."

Many people were left utterly amazed since Lori posted the optical illusion as the video racked up 8,600 likes with over 1,700 comments. One said: "Omg, I saw a small rainbow." While another admitted: "I saw a panda."

A third chimed in: "Super cool." Then a fourth joked: "Dang, what in the hell is that chewing gum doing up there?" Meanwhile some others claimed to not have seen a thing. A TikTok user posted: "I must be strange, I see nothing."

So what did you see in the optical illusion? Let us know in the comments section below... Alternatively, you can check out another as previously a nobody can agree on.

Popular TikTok account shared the clip to its 2.9 million followers, igniting a ferocious discussion. People couldn't agree on the direction of the middle dancer.

Some were convinced of her turning to the right, while others claimed she was turning to the left. Meanwhile some other viewers thought the illusion was trickery and her direction was changing.

Then on another occasion, after spending a few seconds staring at a mind-bending optical illusion. The image appears to depict an array of multicoloured shells arranged in a pattern.

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