You're 13. I wouldn't worry about the 'small hands' thing at all. I'm 31 and my middle finger is barely 3 inches. Don't give into the 'small hands' way of thinking. It's only going to hold you back. Seriously. The longest a flourish ever took me was a month and a half, and that was the 'one-handed shuffle'. All because I fell into the 'small hands' defeatist thinking.
If you're just starting, just work on the basics: Charlier Cut, Revolution Cut, and Scissor Cut.
Feel ambitious? Muse Cut, Teachwrap, Knacky Hackey Sackey
There's worse things in life than fear that you may have small hands. Go out and jump into everything you can.
Also, you're a magician. Everything is possible in magic. even with smaller hands