What to do with them?
Should I save them for next year's Halloween? Or put them into my anti-fun gun to snipe at revellers? Then it'd be not so much "BOOM! Headshot" as much as "BAM! Humbug".
The Doctor: There's one thing you never put in a trap, if you're smart, if you value your continued existence, if you have any plans about seeing tomorrow, there's one thing you never, ever put in a trap... Me.
-Doctor Who: The Time of Angels