How to make fire effect spells in D&D

I thought this was a nifty tutorial. If I had a hit glue gun I think I could manage it. I might also be the first person burnt to death with hot glue. You can switch out the colors. Purple or green would be cool.

[video=youtube_share;gm3MPYTeTWc]https://youtu.be/gm3MPYTeTWc[/video]