Are you ready for the Sunsphere Sundae challenge? The cost is high, but the rewards are even higher.

• See also: We all scream for alcoholic ice cream

Three types of ice cream, ten toppings and 26.6 minutes to eat it all! If you finish, you’re officially a legend. But if you can’t get it done, the price is $75!

Grab a friend and head to The Phoenix Pharmacy downtown in Knoxville, Tenn. to put your stomach to the test in one of the biggest, craziest sundae challenges you’ll ever find.