Have you ever wanted to be like a NASA scientist.  Well now you can with my easy steps on how to build your very own bottle rocket.  You will be able to understand the concepts of physics, while having FUN building a rocket.    

Step 1: The materials you will need.

You will need the following:
one Cardboard box (You will need to cut out three wings.)
At least three empty soda bottles (2 litter size)
One role of plastic drop cloth. This can be found at any local hardware store.  I used 0.7 mil size (thickness).  I would not go much bigger.
One tennis ball 
One spool of nylon twine

Tools you will need:
one pair of good scissors 
One sharpie
one 12' inch ruler
One spool of duct tape
One hole puncher
you may also want a drill 
<p>if the link doesn't work anymore, what do we use?</p>
<p>i agree</p>
<p>really cool!! i give it a big thumbs up</p>
<p>Thank you</p>
<p>This looks awesome, but I do have a question. Do you just use the standard ,fill the bottom with water and hook it up to an air supply? Just wondering. but otherwise awesome project. :)</p>
<p>u said u need not a engine.</p>
<p>awesome stuff bros</p>
<p>WAFFLES!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! </p><p>THIS IS CIMPLICATED ^_^</p>
looks awesome but just 2 much parts<br>
thnx i was looking for this everywhere
moi two
<br /> We have a sudden rash of water-rockets. I'm guessing it's a school project?<br /> <br /> Have you all seen the relevant groups:<br /> <br /> http://www.instructables.com/group/H2Orocketables/<br /> <br /> http://www.instructables.com/group/rockets/<br /> <br /> <br /> <br />

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