Introduction: Knex Black Carbon Serated Knife

Picture of Knex Black Carbon Serated Knife

This is my first ever Instructable so please give me advice and tips. (If you want to, I'm not forcing you)

Well I was just messing around with my knex when I noticed that when I put a silver spacer on top of a ball joint it looks kind of serated...

It's also good because it hardly uses any pieces.

After I'd messed around enough I came up with this, a black, carbon looking serated knife. Well here it is:

I'd also like to hear about any mods to it please

Step 1: The Pieces You Will Need:

Here are the pieces you need to make the whole knife:


17 green
10 white
1 grey
1 long flexible


2 orange (holds 2 rods)
4 grey (holds 2 rods)
3 red (holds 3 rods)
3 green (holds 4)
6 yellow (holds 5)


9 blue spacers
25 silver spacers
25 ball joints
23 ball joint connectors
3 little ball joint connectors

I think thats all of them...
Tell me if its wrong.

Step 2: The Blade

Picture of The Blade

Easy - just look at the pictures.

Pic 1: Do this. Make 25 of them.
Pic 2: Make this.
Pic 3: Make this also
Pic 4: Put them together.
Pic 5: You have just made the blade.

Step 3: The Handle

Picture of The Handle

Pic 1: Make 2 of these.
Pic 2: Make this.
Pic 3: Attach them together with 4 white rods.
Pic 4: You've just made the handle.

Step 4: Puting It All Together

Picture of Puting It All Together

Just snap them together really...

Once you've done please rate it :)

Oh yeah I'm not responsible for what you do with this knife.
(Not that you can hurt yourself with it anyway...)


random_builder (author)2016-06-20

good idea to make a serated knife but looks a little wierd

TOMNDAN (author)2009-04-10

does it ACTUALLY cut?!?!?!

Soopah Steve (author)2008-08-28

whered u get so many ball joints???!!!!

codemaster2590 (author)2008-06-11

it does look bendy. How do the silver spacers stay on. They look like they would just keep falling off.

AZIMUT (author)codemaster25902008-06-13

It is a little bendy but the silver spacers fit snugly over the ball joints, try it and you'll know what I mean

codemaster2590 (author)AZIMUT2008-06-13

i would try but i dont have enough silver spacers to make it. I dont know what happended to all the ones that i had but they are gone now.

Trauts (author)codemaster25902008-07-26

I think he means just put a silver spacer over a ball joint and see if it fits

I_am_Canadian (author)2008-06-11

Looks a bit bendy wendy if ou know what i mean....

AZIMUT (author)2008-06-07

Here is the link for my performance pistol:

My Performance Pistol

AZIMUT (author)2008-06-07

Im doing an instructable for the xm8 an my own pistol It shoots blue, white or green rods. I dinted my wall with it :(

AZIMUT (author)2008-06-06

Can u all C The PIcs NoW? Also What u think Of ThIs: Its ALIHISGREAT's xm8 but with sum cool mods Worth doin an instructable?

dsman195276 (author)AZIMUT2008-06-06

i can see them now. that looks like its worth it.

AZIMUT (author)dsman1952762008-06-06

ok i might post 1 later

AZIMUT (author)2008-06-06

I did put pictures but there gone... Il try and sort it out

dsman195276 (author)AZIMUT2008-06-06

ask a admin, it could be a glitch.

AZIMUT (author)2008-06-06

isnt that the same list as i put? u esplained it beter tho :)

dsman195276 (author)AZIMUT2008-06-06

dude all the pictures are gone!

dsman195276 (author)AZIMUT2008-06-06

oops, i did not see the list...

crapflinger (author)2008-06-06

definitely list it as k-nex and maybe some pictures would help

Browncoat (author)2008-06-06

You might wanna include the word "k'nex" in the title/description. :)

AZIMUT (author)2008-06-06

check out my truck:

my monster truck thing

what do ya think?

dsman195276 (author)2008-06-06

pieces list: exotic: ball joint balls 27 ball joint sockets 23 black hands 3 connectors: yellow 4 green 2 red 3 light grey 4 rods: grey rod 1 bendy grey rod 1 white 8 green `17 miscellaneous: grey spacers 25 blue spacers 9 feel free to use this just give me credit.

dsman195276 (author)2008-06-06

lol It's also good because it hardly uses any pieces.

i don't have enough pieces to build this. its a ok knife but it uses WAY to many exotic pieces.

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