|1. Take 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 closed.
4. Turn the
canister upside-down, put it on the ground, and stand
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