Two teams, one of 'engineers' one of ' managers ' , split into two rooms, the engineers had a pile of lego bricks and told not leave the room , the Managers had a sheet of paper with a picture of a lego brick man on it , with instructions, said something like " the engineers have 15 minutes to build this man ".. The engineers waited , the managers discussed the layout of the bricks, the time slipped by..... " Time up " the presenter said , you failed , "What us" said the managers , the presenter had to explain they hadn't told the engineers what to do with the lego bricks and it had not dawned on the managers to send someone to the other room and provide instructions... This really happened . ( i was one of the engineers ).