Step 2: Cut off the top of the juice bottle

Just as pictured, you want to cut it so that you are left with a bell shaped piece. You can throw away the bottom piece, we're done with it.
<p>Made it a very long time ago </p>
These are fun to shoot but I find they don't last long. The rubber of the balloon can't take the forces involved and will eventually tear, so a new balloon then has to be used. Is there some way to ease the load on the rubber so it lasts longer?
I've just made a similar one and it can shoot about 70 metres!
there could be less chance of the balloon slipping off if you wrap a rubber band around the neck a few times (that's strangling).
I shot some bbs and it went farther than I thought it would.
what dose it shoot
you can also use a hair roler and a latex finger off of a latex glove its stronger
why dont we throw condoms and empty water ballons in there while we're at it?
True True Condoms Aren't As Strong Well Some Aren't
or polyvinylchloride<br />
the glove sucks.
id put tape or string to keep ballon from sliping off and hitting you in the hand
A zip-tie would work well too...
i was looking and thinking and why not keep the cap and make it basically just the threads so you can stick teh baloon on and then the cap over to make it stay and so you can shoo through it still
What The Heck
Now that's a great idea. I was just thinking along those lines
I can honestly say I have never thought of that. Try it out and let the rest of us know how well it works. Good thinking! ;)
it works very well i havent had the baloon fall off once :)
Cool, what bottle did you use?
this is <strong>the</strong> most powerful, simplist, smallist gun iv ever made. I put a BB through 3 dr. pepper cans. it works great thank you.<br/><br/><em>BTW do not shoot short dowels or short matches, the dowel went throught the ballon and into my hand not fun.</em><br/>
Dr Pepper RULEZ!!!!(random)
Lol yeah i agree doctor pepper does rule hahaa
Ditto Ditto
I know....
Ouch! Hey I warned ya! Glad to hear your having fun with it though.
&nbsp;hot glue it
If you use the neck of the balloon as a rubberband it is usually tight enough to hold it on. Take another look at step 5. Of course if that is not working for you then mabye you cut the balloon so that the opening is too big or you need a smaller balloon.
Another thing could be the type of bottle you used does not have a deep enough groove to put the balloon neck over to keep it on tight enough.
Is it as powerful as an airsoft gun when using airsoft ammo? rsvp.
I stick stuff like flour in the balloon or my homemade paint ball's in ther. P.S. If you would like me to post my homemade paint ball's answer this message and I'll post it.
plz post how to make paintballs
I am, just got a problem
I'd be interested. Why don't you post it?
hey will you send me it?
no cool
this is really cool i will make one later ad tell you how i did also if you like shooting stuff check out the range of knex guns on this site -bunduk
all knex guns do is flood this web site with crap!
bloody knex...
I know. Like, if you type in gun in the search bar, half of them are Knex guns!
i like knex guns too, but when im trying to make something like a rifle, not a knex one, it pisses me off too think that there might be what i was looking for but i have to go through hundreds of knex submissions AND i end up not finding what i need. im like "what the hell!?"
So true. Do a search here for a Firefox extension that automatically deletes from your search Kenex projects and gives you the ALLSTEPS view too.
The one that involves greasemonkey? yea ive got that one.
Just a little interesting fact I wanna throw out there, this is the instructable that brought me to instructables.com a couple of years ago! 5 stars!
oh wow i made this too but like instead of cutting a bell shaped bit,i made it even smaller and pocket sized like only the top bit and it works just as good,amazing product well done =)<br/>
My friend used a toilet paper tube for the barrel.
There is a product on the market which is made to convert a soda (or beer, I suppose) can into a bottle. The name is "Snap Capp" I believe. It is essentially a ready-made version of the "top of the bottle" used in this instructable. You could buy one for its intended use, and have it double as a gun like this; kill two birds with one stone, so to speak. Just thought I'd bring this to the community's attention! :)
<h2> use pvc! it works better!</h2>
hay im a new guy and a started playin around wid this and i thought hay u could put a ballon on a thick empty rapping paper tube and rubber band it on so i tried it and its a great cheap raplacement for a bb gun

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