A mind-boggling new brainteaser is challenging eagle-eyed quiz aficionados to find all seven plastic bottles among a sea of rubbish.

The tricky brainteaser has been put together by a printer supply company Cartridge Save. The picture shows a blue river with food leftovers and a jungle of plastic bags and other rubbish floating about.

However, seven plastic bottles are floating among the waste. It takes an average player 25 seconds to find – with the record currently sitting at 9 seconds,…