i got this idea seeing the othe bow and arrow knex inventions, i added a handle, longer arrows, a longer and bigger bow, double rubber band to support, stronger frame and a better firing range.
 
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Step 1: What you'll need

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what you'll need to make the knex bow and arrow gun
hawk45 says: Feb 28, 2013. 2:55 PM
look's ok
boom man56 says: Mar 29, 2012. 2:46 PM
i was surprised but it was cool
rostw says: Jun 23, 2011. 7:25 AM
Has good aim but not much power. Try to work on that.
Eflash 50 says: Feb 5, 2011. 5:33 PM
4, And suscribed. cool bow/arrow
wuppy 29 says: Feb 6, 2010. 7:00 AM
how much feet it shoot?
walterh9 says: Jun 21, 2009. 10:26 PM
awesome try adding some brown pieces were the arrows run through with some washers
ILIKEPIE333 says: Sep 11, 2008. 12:23 PM
it looks pretty good but not to sturdy
Bramblewhiskerjj in reply to ILIKEPIE333May 29, 2009. 6:50 AM
It is actually pretty sturdy. I was surprised...
masteral says: Mar 10, 2009. 12:26 PM
if you get fishing line for the string instead of an alastic it works better
15zhangfra says: Nov 10, 2008. 12:27 AM
if only my camera worked i could post this awesome bow, about 4ft tall when strung, it uses string cuz the knex is snappy, and the arrows are 4 knex grey rods long awesome
Knexmister says: Oct 5, 2008. 8:43 AM
it's quite good i like it i give it 8.0 outta 10
MI6 says: Aug 29, 2008. 2:05 PM
it needs to be bigger - so that would need more peices and much more inventive support structures. nice try though - 3.0 . and an extra .5 for the market research
grevious says: Aug 27, 2008. 11:13 PM
nice bow. i personally wouldnt make it because it doesnt look very powerful, but lol, ive never posted a gun mine are allways bad =D.
but im working on that =/
The Jamalam in reply to greviousAug 28, 2008. 1:24 AM
psssst! i will post a gun on a separate website then you build it seceretly so noone sees it and post it here claiming it as your own! simple!
grevious in reply to The JamalamAug 28, 2008. 3:34 AM
ok kewl.. what is the link, and make sure the gun has a distance of around 700 feet? ok kewl.
The Jamalam in reply to greviousAug 28, 2008. 4:33 AM
...i was joking...
grevious in reply to The JamalamAug 28, 2008. 6:07 AM
yeah so was i, no knex gun will ever get to 700 feet lol =D
except for the one ur gonna make on a seperate site and im-- oh wait.. lol that's right
ZTheMaker (author) in reply to greviousAug 28, 2008. 10:04 AM
you guys done using this instructable to talk about other stuff?
grevious in reply to ZTheMakerAug 28, 2008. 8:29 PM
umm.. i like your hair? whered u get it done?
ZTheMaker (author) in reply to greviousAug 29, 2008. 8:15 AM
my pic is air waves, now im changing it :P
apples!!!!! in reply to ZTheMakerAug 28, 2008. 12:22 PM
Lol...thats randomness for you...
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