Both of my boys are in Cub Scouts. Each year we have the Pinewood Derby (racing wooden cars), and the Raingutter Regatta (racing wooden boats). Both are great character-building activities whereby the parents try to cajole the kids into sanding, painting, or some other token effort so it's not just the parents' work. This year for the Raingutter Regatta we decided to see if we could find any neat ideas on the internet. We had done this with the Pinewood Derby and gotten some great ideas for cutting and decorating. Well, Google served us well,...