Kevin tugged at the collar the moment the witch's attention was turned. He'd never been transformed (who had really) and the witch didn't look like she really was interested in turning him back. He flex his paw and felt the claw in it.
He immediately got an idea and rushed toward the witch, claws extended to attack. Almost immediately, he felt himself held in place.
Kathryn looked at the cat-boy. She sighed before saying, "Oh, we have a fighter. I like strong men." She held her hand outstretched.
Kevin barely felt the changes, he just noted her new extreme size and realized he'd shrunk considerably. Kathryn held him gingerly before lovingly walking him to a science class. She entered and politely excused herself. "Sorry, class, this one got away."
She placed Kevin in the mouse enclosure. "Kevin here is such a live-wire." She smiled at him and then the other mouse. "Well, today's lessons aren't covered by sex ed, so it's a good thing both of them are female. I'd hate for any to be distracted by today's lessons."
She turned back to the class. "OK, magic and science. Can someone tell me what the two have in common and differences?"