This just have to be the easiest bottle rocket ever! Follow my instructable and build!
This is also my FIRST instructable so be nice ;-)
(Sorry for the blurry pictures, my mobile camera kinda sucks)
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Step 1: What You Need
And what you need is: a pen , a bottle top , a drill and some glue that is water resistant .
To the launch you will need: a bottle (kinda important) and a pump (Realy important). And if you want: something to keep it steady when launch
Step 2: Drill It!
Now you are gunna drill a hole in the bottle top that maches the pen size.
Step 3: Glue It!
Then glue the pen and bottle top to together.
Step 4: And Cut!
Now it's time to cut the pen.
Step 5: Now You Have to Grind a Bit...
To make the pen fit in the pump. And look at that now you are done! thank you for reading!!!!