...Rebecca, Rick's teenaged little sister.
"Rick? Jim? Is anybody in here?" Rebecca looked around the room for any signs of the two boys. Jim's heart froze as she looked in his direction and immediately zeroed in on him. Despite how much he hated the boredom he wanted to be left alone while he was like this. If Rebecca found out that he was now a helpless ball of human clay he would be mortified beyond belief.
Rebecca briskly walked over to the strange looking ball in Rick's closet for a closer look. "Is that what Rick was going to show Jim? A giant ball of play-doh?" She raised her hand to the ball and pressed her finger into it.
"Eewww, it's warm," said Rebecca, retracting her finger. "They must of just gotten through playing with it then. I have to admit that a ball of play-doh this big is pretty cool." She looked around the room to see that both Rick and Jim were gone. "Oh well, I guess they left and just didn't tell me."
Jim mentally sighed thinking that he was off the hook and that she was about to leave, unfortunately she rolled him out of his spot in the closet and pushed him toward the door leading out of the room.
"Which means that this bad boy is all mine to play with until they get back."