Firefighters who responded to the incident reported dense clouds of white smoke and two small flames on the outside of the box that contained the battery cells.
The first time he fired up his double hot plate, the fuse-box door was open and he witnessed a cerulean flash and a rattail of smoke, the first of four fuses it took to fry one egg.
By the entrance of the fair, stands an aluminium box by a talented 38-year-old Swiss artist, Pipilotti Rist, which emits smoke-filled bubbles that pop in your hand.