Introduction: Lego Gun

Picture of Lego Gun

I've been looking around instructables for lego guns, and a lot of them require hard to obtain pieces, so I made a really simple Lego gun (not automatic) that fires rubber bands over 40 feet!

This is my first instructable, so please help me improve my creation!

Step 1: The Handle

Picture of The Handle

The Handle is extremely important. In one of the pictures below, you can see that thereis an indent. That indent is 2 spaces deep, one space wide, and two spaces high. A space is the little bumps on the tops of bricks. The indent is so that the trigger can be pulled back far so that the rubber band can slide off.

Indent dimesnions - 2 spaces deep, one space wide, two spaces high

Handle Dimensions -4 spaces deep, three wide, five spaces high (with a 1/3 brick on both ends to keep it together.

Step 2: The Trigger

Picture of The Trigger

Okay for the trigger you need two 16 x 1 bricks with the holes in them (See the white brick in the picture) and two 140 degree joint peices (the beige ones). Then, you put a rubber band around the little peg (the ball thing) and around the trigger (to counter-act the pull of the ammo rubber band). After that, its pretty straightforward.

Step 3: The "claw"

Picture of The "claw"

Basically the gun is a rubber-band shooter. So, to hold the rubber band in place at the tip, you use one of those little claw peices to hold it.

Step 4: Hope You Liked This Instructable!

Some extra notes-

1. Always use a stronger rubber band on the trigger than the one you are shooting.
2. Stronger rubber-bands means more power.
3. Please do not hurt anyone with this instructable. It was meant for recreational puroposes.


myles keith (author)2013-08-12

look at mine man it is beter cos it shoot blocks but good idear mate

PARTYGUY (author)myles keith2015-06-30

dude don't be a jerk this guy just made awesome stuff so show a little gratitude.


pls (author)2008-11-11

This is a lego gun, done use knex as a tag..

dsman195276 (author)pls2008-11-12

but there is no lego tag, so i think this is ok. your right, it is not knex, but it is close to knex (lego) and it's not like he posted 300 of these things all in the knex tag.

knex is made by lego

no offence, but what are you talking about? knex is manufactured by knex industries inc. and lego is made by lego group corp.

PARTYGUY (author)dsman1952762015-06-30

dude it made by Knex

no offence, but what are you talking about? Lego company doesn't just make LEGO's they also make K'nex

No. knex makes RIP OFFSof Lego building bricks.

no, lego does not make knex, and knex does not make legos. two different company's. if they were the same company then why did knex make knex bricks (essentially legos) and just make knex and legos connect from the start? they would only lose money making both.

yea its been made by the same company 4 ever dah

NYPA (author)lego freek2009-09-24

No, dah.

pls (author)dsman1952762008-11-12


Miles Tails Prower (author)2008-11-27

Yeah it sure is!

What you see there is my fully automatic rubberband gun from K'NEX.

knex rule!!!!!!!!!!!!

ol987986 (author)maid632009-09-02

knex is better than lego

maid63 (author)ol9879862009-09-02


mr. cool 384 (author)maid632009-09-06

u r all full of bull lego is so much beter than sucky knex

~Meme~ (author)mr. cool 3842012-04-15

There as good as each other.

YOU are full of bull. I think k'nex is better but lego is cool too. AND KNEX DOESN'T SUCK.

ok point taken knex and lego are equal aggreed. each has their pros and cons lego- pros- easy to work with. good for making rbgs and realistic gun models cons- frrustrating expensive not good for block shooters knex- pros-good for non-rbgs somewhat easy to work with cons- frustrating expensive not the best for rbgs

now i must go and enjoy some pizza---mmmmm pizza XD

BuhBomb (author)mr. cool 3842011-06-05

You somewhat remind me of Banjo in at the end of Banjo-Tooie

you said it dude

DJ Radio (author)2008-11-16

Yeah, I may have 100x more legos than knex, but i have 100x more skill in knex than legos................


I cant come up with anything original when it comes to legos.....Except when I build lego starships....

Bitterberry9 (author)DJ Radio2009-01-24

thats funny, I usually cant come up with anything original when it comes to knex, but I can with lego lol

im in the same boat as bitterbarry i suck at bieng creative with knex but i pwn at lego

trenbo94 (author)mr. cool 3842009-10-30

Lego is so much better because you can build better and more realistic stuff. e.g houses cars planes etc and you can acually fit people in then?!

mr. cool 384 (author)trenbo942009-10-31

you r a sencible person ps knex peolpe suck

~Meme~ (author)mr. cool 3842012-04-15


godoggie (author)mr. cool 3842009-12-23

hey guys, let's keep it up-and-up. stop deriding people please.

mr. cool 384 (author)godoggie2009-12-24

 ok fine

~Meme~ (author)Bitterberry92012-04-15


TheFoofinator (author)DJ Radio2011-06-16

Sorry for the old post, but I have to agree.

BuhBomb (author)2011-06-05

Billy Mays, I agree with you.

das94 (author)2009-08-26

yeah that's a good idea... thanks for the comments :) my whole idea for this was to make it easy lol I was so tired of all the complicated guns out there whose pieces were uncommon.

ol987986 (author)das942009-09-02

did any1 here no that the guy who invented lego was a pacifist? just thought ud like 2 no.

FatallyToo (author)2009-08-18

This is THE best gun on the site! This is one of the easiest to build that I've come across, and the first (or near first) that I actually had the pieces to build! Thank you! This is a great gun. I added an antennae piece on the back of the handle and put a 4 x 1 piece of the bottom. I connected the antennae there and I use it to carry rubber bands.

robertlim (author)2009-05-19

i can't see the first pic

PBSisBAD (author)2009-04-24

Great Idea! Seriously, though, I make those all the time! Try making a machine gun or even semi-auto with the concept of simple and easy to find parts.

builder968 (author)2009-04-10

I made a lego gun. It flings pices hard and far.

george121213 (author)2009-04-04

i like it!!!!!!!

ProConT (author)2009-03-14

i make this gun with Lego bricks, same system but BETTER firing accuracy and speed

mashedpotato13 (author)2009-01-27

1/3 of a brick?!!! d'ya mean you slice a 1/3 of a brick off?!!!

superawesomekid78 (author)2009-01-27

this is cool!!

das94 (author)2008-11-18

Well, I build knex and lego, and I find that lego guns are more reliable (less jams) than Knex (true trigger-wise)

picklepie159 (author)das942009-01-11

noooo... lego is for rbgs, knex is for shooting solid ammo. Lego guns will never ob tain the range a knex gun has by shooting a brick, but legos are good in rbg fights. just check and search rbg. they have 40 shot uzis Lego can also imitate real life weapons better than knex ands great for making gun mechanisms(especiall technic pieces) go search up gun parts on google and notice that for every gun part, there is a lego piece shaped just like it. hmmm... suspicious

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