Better make sure you pay attention, otherwise you might end up with a jar of fish eggs instead of a bag of potato chips.
Thirty-three caviar vending machines have been installed across Moscow, including one in Mayor Yuri Luzhkov’s office.
Roe, which is a much-loved specialty in Russia, comes in varying sizes tins and jars, ranging in price from £3.50 up to £15. It was so popular that the UK Telegraph reported the machine has already broken down once.