sunstone, banana, peanut butter -- >> you take off the top and you start -- >> oh, yeah. >> yep, there toys? >> yeah, from the moment i started youtube, since i was always in the kids' scene with youtube, i always thought it would be the coolest thing ever to have some kind of product on shelves, specifically around the toy industry. >> reporter: a mogul in the making, karina said she couldn't have made it this far without the power of social media. what does it say about the place that youtube is in and the culture that youtubers have some someone who started their channel here now has a full-fledged booth at a place like toy fair? >> i think it basically just says that you really can do anything. ly started, it was just for fun. i really never thought i could make an actual career out of it. i've proved myself wrong. i just hope that my brand keeps expanding. i want to be a mega brand one day. i want to be martha stewart so bad, you know. >> what about her is separating her? >> i think she's one of the first. i think she has a really engaged audience. i think she did great content th