I've made Selma out of merino wool (one of the softest sheep breeds) and her curly locks are made of naturally curly yellow and white Wensleydale wool.
She is made using a technique called needle felting, where I shape soft fluffy wool into a solid form with little barbed needles. No wire is involved.
She measures 2 inches (5.5 cm) tall.
You don't have to worry about feeding her, a "hello" and a smile once a day will keep her happy and healthy.