For degree illusions, flash paper is amazing due to the fact it'll ignite on cue

https://privatebin.net/?b22d582e1b83ea81#79G7gK81gnjnoxeXw3Aa9NnthCN1wi1Sc7rw63UWEpnC

For stage illusions, flash paper is competent due to the fact that it'll ignite on cue. Performers can rehearse accurately to match flame timing with the storyline.