You might try organic farming networks, au pair networks, teaching part time through skype. We found a lot of opportunities to travel and offer your talents for working in fields or teaching children of in other countries.
Personally, I would love "micro" classes for kids in...
Sorry, a bit of a rant as well coming from the student/parent perspective. So many caveats to teaching and learning. Still I believe children can be fascinated by seemingly complex ideas at very young ages - and that is where we must start.
In second grade, my son was being taught the states of matter; solid, liquid, gas. One day at a bookstore, he happened upon an Encyclopedia of Science. Paging through, he stopped and ran to me across the store exclaiming that there was a FOURTH state of matter - Plasma! It was, in his mind, the...