Home / Pyrotechnics PyrotechnicsArticle by:Geoffrey HunterDate Published:April 25, 2004Last Modified:April 25, 2004Child PagesCheap Ball MillMaking Your Own Cardboard TubesPolumnas (Triangle Firecrackers)Pyrotechnic VideosRocketrySafety Info/Legal StuffAuthorsGeoffrey HunterDude making stuff. Twitter GitHubThis work is licensed under a Creative Commons Attribution 4.0 International License .Related ContentNo related content found.TagsPlease enable JavaScript to view the comments powered by Disqus.comments powered by Disqus