not realy making blackpowder but making paper cartridges is the closest thing to making firework

here an old school family firm in the mountains around napoli making firework in tradition of the old craftsman https://www.youtube.com/watch?v=EF5ebbTLHPw

you don't need so much machinery for this

another video where volunteers are making firework on malta https://www.youtube.com/watch?v=2hwMG5jonJI