Bob and Courtlin Take the Cup Blowing Challenge [VIDEO]
Many of the online videos make it look easy. Trust us, it's not.
The cup blowing challenge is the latest craze online and it's so silly you just have to try it. It looks so easy, but it's actually so hard. Courtlin and I thought we'd increase our chances of success by using three different types of cups. Turns out, success isn't easy to obtain: