Teaching the Charter to youth

I have volunteered to give a presentation to a group of Boy Scouts on the Canadian Constitution, and especially the Charter of Rights and Freedoms. It's an intimidating project. It's hard to pare down volumes of legislation, commentary and case law into a 1-hour presentation. I've been thinking that I will probably provide a very brief background after playing a role-play game (a la Lord of the Flies, perhaps?) where the youth will startup a new country that has no historical law, people coming from all different countries and ethnically backgrounds, and a wide open space to live in. It's hard to imagine that this is the situation that our fore-fathers faced. I think they did a pretty bang-up job myself, although many of my colleagues would beg to differ. I don't recall learning too much about the Constitution or the Charter in my grade-school years. Do you? How would you approach this challenge? It's one thing to teach it to adults who have some background...I think it's great that these boys want to learn about the law, and have some interest in our history. I did find a great resource - a Youth Guide to the Charter, which would probably be a welcome bit of information for any first year Canadian law student. Happy reading.