With a felting needle (something invented for industrial machines and not engineered for the human hand), you can transform tufts of wool roving into applique motifs or amazing three-dimensional creations. Here are a few of my first attempts, poorly photographed:
My very first needle felt sculpture: a 1.75" doll head.
An impractical pincushion...
A little make-do pincushion using a votive candle holder that I picked up at the thrift store: