What are the best fireworks to buy and make a good BOOM!?

i want to make a big booming firework concoction HELP

here's a lil secret: 1get a roll of off-brand aluminum foil 2get Sno-Bowl toilet bowl cleaner 3roll aluminum foil into small, dime-sized balls 4put the foil balls into a container with the Sno-Bowl 5run like hell