How to make a sling rocket
What you will need
* Some foam pipe insulation
*A film canister
*Eight rubber bands
* Hot glue gun and glue sticks
* Duct tape
1. String the rubber bands onto each other to make a chain.
2. Poke a hole in the canster and thread the chain from step1 in the hole.
3. Tie a knot at the end of the canister (the knot should not go through)
4. Cut the insulation to a resonable size and glue to the canister.
5. Ping the rubber band chain and have fun!