How can i make money fast?

i don't want to make money on the internet or i don't want to baby sit nothing like that and im too young to get a job im only 11 anyways, i have a yard sale but i call it a store and me and my friend made like 3 costumers and we did the store fr like 3 months and we made a little money how can i get more money but not on the internet i want 2 make money cux i want to pay 4 my martial arts class i have to pay $110 each month please help