Summary: Do the last lesson [[From crawling to sitting]] first! This is just an experimental add-on, a little trial of some ideas, an exploration to see what happens, tacked on at the end of the lesson for those who would stay.
Summary: Do the last lesson [[From crawling to sitting]] first! This is just an experimental add-on, a little trial of some ideas, an exploration to see what happens, tacked on at the end of the lesson for those who would stay.