I've always allowed my son and daughter shooting with me if they wanted too. From time to time they would have friends over from high school, as long as I knew the parents, the friends would shoot too. Operation and safety first.
I've set up at a couple shows, along with a few items for sale, I enjoyed stories and offered advice on where to get parts, cleaning techniques, shooting and the like.
My most memorable time; my son was home between sophomore and junior year at the USAFA, his friend from Chicago spent the night as they were bringing their cars back to the academy. Plus, my sons close friends from high school come to visit before he left again for the academy. I had made deer jerky that morning, set some meat out to grill for supper so I asked "what do you fellows want to do". It was unanimous they wanted to "go shooting". We started with flint, percussion, black powder cartridge and ended with modern guns. I explained the time period each was used, the civilian and military applications. I couple things caught my attention, a couple boys wanted to go back and shoot the flintlock because they thought it was so darn neat and the fellow from Chicago simply couldn't believe all we had to do to go shooting was walk out to the back yard. Something I supposed I have taken for granted the last 40+ years. Supper that evening was filled with the stories of the young men's shooting skills. We ended they day with a little more fellowship around a campfire.