the top off the film canister and pack the lid tightly with baking
2. Pour about two teaspoons of vinegar
into the film canister.
3. Gently put the lid on the film canister
and snap tightly closed.
4. Quickyl turn the canister upside-down,
put it on the ground, and stand back. (the lid should be on the ground)
5. After a few seconds, the canister will
shoot up into the air. If your rocket always fizzles, try a film
canister with a tighter-fitting lid.
Alternate 'Fuel' - try repeating the procedure, but instead of using
baking soda & vinegar; tape a Mentos to the lid and fill the
canister with Diet Coke.