A running garbage disposal . The flame of a welding torch . A fire ant nest . Liquid nitrogen . <| sep |> We did that for our wedding last month and it actually worked out great ! We invited children of family members and our closest friends though most of them opted out of bringing their kids and had an adult night out instead . We had a theatre themed wedding so our invitations looked like tickets , so there was a section that said Admit and I stamped on the number in the household that were invited , so it let them know whether the kids were invited or not , and there were no complaints . I ' ve heard similar where invitations include the wording We have reserved seats for you . That might be a good option so you don ' t have to put No children on the invite and have people upset when they see family children there . Hope this helps !