This brain teaser has been leaving people scratching their heads as they struggle to find all the footballs within the strict 20-second time limit. How many can you see?

Calling all footie fans - this brain teaser is just for you.

We all know that exercising our minds is just as important as the rest of our bodies, but you have to take a different approach as you can't exactly give your brain a workoutat the gym! Instead, one of the most popular ways to keep your brain healthyis by practising fun puzzlesthat require you to think in different ways. Brain teasers can boost your cognitive function, improve your perception skills, and even help keep degenerative diseases like dementia at bay.

So if you're looking for something to test your brain power today, why not give this football-themed puzzle a try? All you have to do is find as many footballs as you can within the 20-second time limit.

You have 20 seconds to count all the footballs (

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Take a look at the picture above. You'll see there's an array of different balls all jumbled together, including basketballs, baseballs, tennis balls, and even billiard balls and bowling balls. But you can ignore all of those, as the puzzle only requires you to focus on the footballs in the image.