3 Simple Ways to
Share What You Make

With Instructables you can share what you make with the world — and tap into an ever-growing community of creative experts.

PhotosPhotos

Share one or more photos of a project, recipe, or whatever you've made, quickly and easily.

Get Started

Learn more & Get Tips

Step by StepStep-By-Step

Share your step-by-step photos with text instructions of what you made so others can do it too!

Get Started

Learn more & Get Tips

VideoVideo

Share your how-to video. You'll need your embed code from a video site such as YouTube.

Get Started

Learn more & Get Tips

Print PDF

Favorite

Small and Easy but powerful Catapult

A catapult made out of a paper binder and rubberband. Great for launching things during class. I got this off of Youtube.

Remove these ads by Signing Up

Step 1Make it

Wrap rubberband around the binder.

« Previous Step

Download PDFView All Steps

Next Step »

39 comments

Nov 23, 2011. 3:15 PMmadelyn russo says:

I AM SO GOING TO MAKE ONE OF THESE RIGHT NOW!!!!!........as soon as i can find a paper binder.........SEARCH ON!!!

Feb 14, 2011. 12:15 PM

popcorn4lunch says:

awesomness! and so simple! :)

Dec 22, 2010. 2:08 PMportalturret2 says:

this is so cool! now i can just hit my brother and he cant prove it. lol

Nov 4, 2010. 8:07 AMbaven says:

this is very cool

Sep 26, 2009. 7:03 PMsadiecoons says:

COOL!! Now I can hit my brother in classes. THANKS! :)

Sep 11, 2009. 9:31 AMmo5 says:

clever

Aug 31, 2009. 5:13 AM

d2j5 says:

dude i guess great minds think alike! i had the same idea lol nice job

Jul 31, 2009. 12:33 PMysabet says:

I foresee zapping a few of my coworkers with this. Beats rubber bands by a mile. XD Thanks!

Jun 27, 2009. 5:45 PMblowfo says:

ahh its prety good i use it in class an snipe my teacher she never knows who its is because the catapult is so easy to hide

Mar 27, 2009. 1:21 AMcheesemanlovesrobots says:

OMG it works really well thanks soo much mate

Mar 16, 2009. 3:40 PMbama14 says:

it works better with more rubberbands

Mar 14, 2009. 3:56 AMezah says:

paper clips are good

Jan 22, 2009. 4:50 AMIman446 says:

The only trouble is finding something small.....

Mar 10, 2009. 6:17 AMGunbuilder says:

the best ammo are small marbles, they fit perfectly in the clip i used XP

Jan 29, 2009. 12:56 PMMantyke says:

RUBBER!!! :D

Feb 3, 2009. 6:29 AMbylerfamily says:

You could just use the binder clip but it wouldn't be as powerful.

Jan 29, 2009. 12:56 PMMantyke says:

Nice, it owns!!

Sep 21, 2008. 11:53 AMh3llo41 says:

it'll be much stronger if you wrap the rubber band tightly around the silver part of clipper

Aug 15, 2008. 11:28 AMmrgboard says:

How does it work?

Sep 10, 2008. 5:53 PMmaharg20 says:

watch the video to find out

Sep 5, 2008. 7:29 PMPatented says:

Nice things to shoot your friends in a boring class at school!

Aug 25, 2008. 5:28 PMlobo_pal says:

If you can't figure it out, than you're dumb. You just pull down on one of the handles with a piece of paper or something, and than release. I would suggest adding something to lengthen the handles, or increase the overall size of the catapult though.

Mar 27, 2008. 8:20 AMMrApples says:

The video doesn't work can you please post another link to it.

Feb 24, 2008. 6:59 PMsalleens7 says:

Thanks for the Instructable,ill be testing my version in class tomorrow.

Jan 9, 2008. 3:54 PMphaji says:

can someone tell me how to fire?

Dec 13, 2007. 7:20 AMglycerinate says:

i dont understand how to fire, but looks really cool!

at least my teacher cant take it cuz its not just a rubberband...

Nov 18, 2007. 1:48 PMpacmanjones says:

thats sweet

Jul 27, 2007. 11:03 AMWhy Does It Hurt says:

what do you do?

Jul 27, 2007. 11:03 AMWhy Does It Hurt says:

I'm confused

Jul 27, 2007. 11:04 AMWhy Does It Hurt says:

Nevermind

Jul 28, 2007. 8:21 PMengineer_01 (author) says:

Well if you cant figure this out what's your problem??

Jun 20, 2007. 9:20 AMSaddam and Osama says:

I've tried different modifications, and here are some of them: 1) Attach a spoon (preferably metal, plastic might break) on one side and under all the rubber bands. (Also attach rubberbands from the handles to the spoon) 2) To prevent the rubberbands from falling from the bottom, you can tape the sides of the clip or attach rubberbands around the sides.

Jul 16, 2007. 5:00 PMengineer_01 (author) says:

Add some images

Jun 20, 2007. 9:50 AMSaddam and Osama says:

This is so simple and ingenious. I can fire over one-story houses! So small too ... so discreet ...