One of Simon's favorite toys is the Creepy Puppy. The Puppy talks when you hit buttons that correspond with body parts. I don't know what its real name, but the Puppy will randomly start talking, long after it's been put away.
Callie's main job in our house is Quality Control. How does the hamburger taste? Callie's on it. Simon dropped a Cheerio on the floor. Callie's on it. How comfy is Simon's bean bag chair? Callie's on it... literally.
Callie and Simon have learned how to roll the ball to each other. We'll get a video up soon. But for now the blurriness of the ball will have to substitute for motion.