How To Make A Bottle Rocket

 It's simpler then it sounds to make a working bottle rocket and doesn't cost you much money. You only need a few materials. Getting the rocket assembled is easy..but getting the parachute to launch is a bit harder.   

Step 1 Get Materials

Two 2 litter soda bottles.
A Garbage bag or plastic bag (for the parachute)
Duct tape
scissors 
Cardboard or foam core
A Tennis ball 
Dental floss or string 

Comments

[xXInmateXx]

How do u launch it?

[Kiteman]

We have a sudden rash of water-rockets. I'm guessing it's a school project?

Have you all seen the relevant groups:

http://www.instructables.com/group/H2Orocketables/

http://www.instructables.com/group/rockets/