Grandmother's lab? [crouches and grins at her] You were in a lab? What did you do in the lab? No, scratch that, what did you have? Do you think you could help replicate any part of that here? What were you studying? What's this?

[he takes the ball and looks at it experimentally. Shakes it around close to his ear. This is exciting. Oh, hello, what's this? A button?]

What's this? [pushes it]