Here's a quick video on how to put your armature together and include a brass tube so your doll will have a hollow tube in her leg. She can then be place on a base (with another tube) and appear to be standing on her own. See how now:
Supplies used in this video:
Most of these are included in the Armatures Kit, so you have all the items in one place.
Would you rather have your armature pre-made? You can order armatures ready-made here.