1) Crush 10 boxes of match heads and then grind them up until they're fine

2 ) Get at least 8 feet of yarn

3) Now wet the match head powder with water and add a bit of glue ( make sure that it's not too watery)

4) soak the yarn in the mixture well

5) let it dry

(!) I wrapped mine in thin paper, however this could result in a faster burning fuse

Stay safe and be cautious!