A mercadillo is a street market so you can buy all kinds of things there. So I would say:
At a mercadillo you can buy clothing, Spanish street foods, and meal ingredients such as spices, fruits, and vegetables. A mercadillo refers to a traditional market that is usually held on the weekends that’s in a commonly spotted area with Spanish/ Hispanic/Latin culture.
Hope this helps!
Lanzar because it means to throw
English- Tuesday October 20th,2015
Spanish-Martes Octubre Veinte,2015 (del dos mil quince)