[He almost doesn't notice it straightaway - but he does. She gave him a nickname. That means they're friends, now, right? He really doesn't have many at all; there are few other teens in the village and none seem that interested in him, socially. He laughs a bit, grinning.]

Oh, that! It's the invention I brought to the expo in the kingdom today. It's used to create the new mineral I discovered.

[He pauses for a moment.]

And sometimes cause small disasters, when people don't know what they're doing.