Brains for Sale - Version 2 Skit 
Required:
2 scouts
Script:
AAA, BBB, and CCC are three scouts or groups of scouts, with CCC being the one you are kidding. For example, Freshmen, Juniors, and Seniors. Or, Boys, Girls, and Adult Leaders. Or, Patrol 1, Patrol 2, Patrol 3.
Scout 1: Brains for Sale! Brains for Sale!
Scout 2: Hey, I need a brain. How much is that one? (pointing)
Scout 1: Let's see... This is a [AAA] brain - that's $20.
Scout 2: No thanks, how about that one?
Scout 1: Hmmm, ... $30. That's a [BBB] brain. That's a good buy!
Scout 2: Well, do you have any others?
Scout 1: (look under counter) Ah-ha! Here's a very special brain. But, it's $50,000!
Scout 2: $50,000!!!! Why so much?
Scout 1: That's a [CCC] brain - brand new, never been used!