sandi masori, america's top balloon expert and author of "the diy balloon hat bible," shows us how. so, you've said that a great place for a teen to set up to sell balloons is in a public place, like a park. what do you think is the best sculpture to make there? >> i, personally, love hats. hats are so visual, so colorful, and they become a walking advertisement. >> right. >> and the thing is -- being an entrepreneur is not just having the skills to make money, but also knowing it's a little bit of marketing -- knowing where to go. right, so, a park is a great place, and how do you know if the park is gonna be busy enough? i mean -- one, if you've got a good visual when you pull in, you can see if there's kids there. but another way to know is if there's an ice cream truck several ice cream trucks there. there's some parks in my area where there are like three or they're so busy, so you know there's gonna be a ton of kids there. and as soon as you make the first balloon hat and a kid walks away with it, you're gonna draw a crowd. so, you might even, you know, call a kid over and mak