The Slurpee was invented by accident when a Dairy Queen owner improvised an Icee machine using car parts after his soda fountain broke down, which was eventually licensed by 7-Eleven and became a worldwide hit.
fact
The Slurpee was invented by accident when a Dairy Queen owner improvised an Icee machine using car parts after his soda fountain broke down, which was eventually licensed by 7-Eleven and became a worldwide hit.