Materials: soda can, bucket, water, firecrackers, lighter, drill,
1. Take the aluminum can and drill a hole in the bottom concave area.
2. Cut off the drinking end of the can.
3. Put the can in the water and stick the firecracker in the top of it.
4. Light the firecracker and enjoy the can flying into the air.
5. Obviously the cornstarch mixture didn't work, but feel free to experiment with your own liquids.