Doll parts.. if you create dolls for your passion, whether you sew them, stuff them, knit them, crochet them.... then you are going to need parts!.
You can usually purchase parts at your local craft store, or sewing store, but you will find a large assortment of parts such as heads, arms, and more, online.
I have organized a page from Ebay, of parts, this is a current and live page, just click on the above link and you can bid or buy from here.. just click on any title for more information or to search further thru the category... If you are not registered, then you can do that too, registration is free!.. then you can go shopping!