THIS is a Growing hair RARE hard to find Cabbage Patch Kid doll.
she has one single ponytail that grows out of the top of her head. It functioned much like a window shade. You tug on the pony slowly until the hair reaches the length you want. It will catch on a series of clutches. If you wanted to make her hair short again, you would give a quick tug and the hair will retract back into the doll, just like a window shade.

This doll was one of mine as a little girl, apparently now hard to find this style of doll they are considered rare and hard to find.
She has on her original dress and socks, but no shoes