You can actually plug this into a wall receptacle. And then, like a jackhammer, pretend that it's moving your arm/wrist up and down in rapid succession.
You'll have your audience rolling over in laughter. This is the first (and probably the last) one we have ever seen. It's actually made from a real hammer — and in fact, can be used like a real hammer. (Just be sure the cord doesn't whack you in the face!
No instructions included But do you REALLY need any???