Harry Coleman was a ventriloquist in the early 1900's, and noticed that little girls always wanted to play with the puppets after a show. So he engineered this doll, keeping the body light by making it a mesh cage, and actuating the legs by means of small springs. No mechanical parts (wind up or electric) are needed, so in essence, it won't wear out if kept in good shape. There were metal head ones and this composition type material...most of them had wigs, but this one has molded/sculpted hair. She's in rough shape--her other hand is in a box in my studio right now--but she's still part of the family. I call her Ebbie.
Now let's see if I can add a video to a blog post!