Slurpee: Fun Facts about the cool treat of 7-Eleven you might not know yet

Because this became popular, Knedlik started to work on the .car air conditioning until he was able to come up with an all-in-one machine that could create the drinks. At first, it was called ICEE.

7-Eleven was one of the first companies who used the ICEE machine when Knedlik allowed to businesses to distribute the drink. However, the executives of the convenient store chain decided to brand the product differently.