I'm required to do a science fair project this year and need some ideas. I was thinking about doing something that invovled my guns (preferably my AR or 10/22). Building a ballistic buffalo or a backstop are the ideas I have right now and seem to be easiset and best choices, however... I'm open for suggestions and ideas that would be cool to do for a project. Please keep them somewhat simple since I dont have access to fancy equipment, and I am in the 11th grade.