american teacher/babysitter/coach

Hi! I am an American (English speaking) student who will be in Madrid this summer as an au pair. I have a lot of experience working with kids and am planning on becoming a teacher in the future. Since I'll be an au pair here, I'm looking for some other jobs that I can do, such as teaching, babysitting, or coaching. In the US, I have babysat and worked at a daycare, and was a gymnast/cheerleader. I'm a native English speaker and I also speak French at a close to fluent level, but not much Spanish. I'm also possibly interested in volunteer work.
Please email me if you think I could help your family/company!
(However, please note that I don't have a work permit).