This Christmas brainteaser is almost as tough as the challenge of working out what to get your family and friends to open on the big day itself.

It requires you to pay close attention to the picture of all of these sports balls because all is not what it seems.

Hidden somewhere in the image is a sparkly bauble which wouldn’t be out of place on a Christmas tree.

The picture was put together by the sporting team at the online gambling company Betway.

They say if you can find the bauble in 30…