1 Liquid Plumr
1 Piece Aluminum FoilL
1 Length Fuse
Fill the bottle 3/4 full with Liquid Plumr and add a little piece ofaluminum foil to it.
Put the balloon over the neck of the bottle untilthe balloon is full of the resulting gas.
This is highly flammablehydrogen.
Now tie the baloon.
Now light the fuse, and let it rise.
When the fuse contacts the balloon, watch out!!!