answer is neither, answer issparkler bombs perfect for july 4th season. Get a group of sparklers together and duct tape them and leave on sticking out a little bit as the wick and light it and run. Easiest/ loudest home bomb out there
try aluminum oxide and gun powder. its illegal to buy them together. also illegal to have them shipped to the same address. i find it very hard to understand why its so easily found. it is the internet though i guess.