[Alphys snickers, taking a little controller off the desk and hitting a button, which stops the noise. Frisk can also see a little joystick on it, implying it might control them, too.]

W-Well, thanks! I've, uh, m-made a lot of weird stuff, before, s-so this isn't too h-hard, actually... I m-mean, since I didn't have to design it, i-it's just a signal! And uhm, a l-little magic.

[It's one of the only places she's good at magic, honestly.]