A casino-themed brainteaser challenges everyone to spot all the 777s cleverly hidden in the image in under 60 seconds. The vibrant image depicts a casino scene with people enjoying the games.

However, the creators have very carefully placed eight 777s across the image, which can be easily missed. Everyone's eyes might be drawn elsewhere, but you should be able to spot eight in the image. Designed by casino.co.uk, the brainteaser is not an easy one, with only 10 percent of players able to find all the hidden 777s.

Brainteasers are a great way to improve your mind’s muscle memory, whether it’s as part of your lunchtime break or before the day to sharpen up your mental muscles.

So, do you think you have managed to find them all? Not to worry if you didn’t, we have shared the answer in the picture below.