Kimmy loves to blow the more challenging balloons. Anything that stretches her cheeks to their maximum size, makes her turn a little red, but ultimately succumbs to her inflationary efforts, was a worthwhile exertion in her book. Most such balloons are of the long, thin variety. Here, she tries four different Qualatex airships - the 646, 350, 260, and 160, to confirm her suspicion that the smaller the diameter of the balloon, the harder it is to blow! Which ones can she handle by lung power, and which ones require assistance from the foot pump?

Kimmy loves to blow the more challenging balloons. Anything that stretches her cheeks to their maximum size, makes her turn a little red, but ultimately succumbs to her inflationary efforts, was a worthwhile exertion in her book. Most such balloons are of the long, thin variety. Here, she tries four different Qualatex airships - the 646, 350, 260, and 160, to confirm her suspicion that the smaller the diameter of the balloon, the harder it is to blow! Which ones can she handle by lung power, and which ones require assistance from the foot pump?