I remember buying sacks of Ammonium Nitrate when I was younger you could make all sorts of neat fireworks with it...make fish float out of ponds...topple trees...make old cars become 1000 pieces....turn old sheds into splinters....the memories //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif ...Its pretty cheap at your local hard ware store...same stuff used in common fertilizer //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif