Kerstie Perx was one of the secondary protagonists of the Polly Pocket franchise. She is one of Polly Pocket's friends who she hangs out with. She is known for being a baker and soft hearted. As a brunette doll she was made often in the toyline. Appearance Kerstie has light skin, freckles, brown hair and blue eyes. She is often seen sporting blue hair. Even though she's a baker in Pollyville, she was discontinued in 2013. Her baker appearance as a minor character changes with short brown hair, chef hat and the same blue eyes. She was discontinued, due to her lack of popularity.