Bionics is the combination of biology and electronics, but sometimes the line between the biological and mechanical is hard to define. Will Mary Catherine and her friends be able to figure out what makes a person "bionic" or not? This engaging and informative play is the perfect introduction to the science of bionics and the questions it raises. It repositions complex scientific concepts into concrete examples to help readers process and retain important information. Charming illustrations support this humorous and educational interactive experience.