This fiendishly difficult seek-and-find puzzle has left the internet scratching their heads - and it's easy to see why.
Somewhere in this herd of reindeer there is a single brown bear but he has done an excellent job of hiding.
The festive scene is the latest creation from Hungarian artistGergely Dudas, better known as Dudolf, who is responsible for a string of viral brainteasers, writes the Daily Mail.
He became an online sensation after his deceptively difficult seek-and-find puzzle featuring a panda hidden among a group of snowmen swept the internet in December 2015.
This latest drawing is featured in his new book, Bear's Merry Book of Hidden Things, which uses colourful illustrations and seek-and-find puzzles to tell the story of a bear getting ready for a Christmas party.
While the title is aimed at children, the puzzles are tricky enough that they will keep parents entertained, too.
In this scene Bear has gotten lost among the herd of reindeer, leaving Father Christmas in a panic.
