Almost nobody can spot the 10 differences between the two nutcrackers in under 12 seconds During the festive period there is more time to concentrate on brainteasers.
If you have a bit of time after your Christmas dinner you can use this time to properly get into the spirit of the occasion by having a go at this tough teaser.
The challenge means you will need to remain calm under extremely time time pressure and this brainteaser will surely test that theory.
Brainteasers like this aren't just good fun and a great way to occupy the little ones - they've also been shown to positively impact the central nervous system.
But can you spot the tiny anomalies in this nut cracker puzzle in less then 12 seconds?
