Make some really LOUD BIG BADA-BOOMS for the neighborhood kids.
Made some "Flash Bangs" for the kids in the neighborhood. Used black powder substitute, magician's Flash Powder and cannon fuse. Then used big slingshot (surgical tubing stretched between two trees) and launched them way up there! Big boom, big flash and lots of oohs and aahs!
Don't know who had more fun; me or the kids.