His eyes pop open at the display in unabashed wonder, mouth dropping open a little more at each flare up.

"Wow..."

He laughs at her comment, raising an eyebrow. "What were you gonna show off if it didn't, huh?" But he doesn't so much expect an answer to that question, so he dives right into the next one. Hey, he's excited. "Do you have to pretend your hand's a gun for it to work?"