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How to Make a Catapult out of Cardboard

This is a fun and easy project that you can do in about an hour. You just need a few basic supplies. It is a powerful little catapult and I give you the template which makes it very easy for you.

How much fun can this be? A whole lot. And you need almost nothing to make it.

The template for this project is here

I also have a video tutorial on this project at the bottom of the page.



The Cardboard Catapult


Earn a Certificate of Contribution!


If you make this project email me a picture! I will email you a certificate of contribution from You can print it up and hang it on the wall.




Materials for this project:

  • Cardboard
  • Rubber Band
  • Pencil
  • Glue (Or hot glue gun)
  • The template

I also have the template in vector version for you. These are cleaner and easier. And these were made by a web visitor. (Joe) My thanks go to Joe for doing this work and sharing it with us!! A4 Sized Template - Letter Sized Template


Note from Will: The Template and the tutorial are both absolutely free! But would you consider a donation of $1 to support my work? Paypal makes it very easy and safe. Click here to donate $1 - Every little bit helps Will to keep making great tutorials and templates. Thanks!


Will's Tips on Creativity Are you interested in the creative process and how a project like this comes about? I have a little bit about developing this project right here.

The Cardboard Catapult and the creative process


Let's Begin!


Cut the template parts

Print up the template and cut out the five pieces.

Each of these pieces is labeled with it's number and with how many of each you should make out of cardboard.






Trace onto cardboard

Place those pieces onto cardboard and trace them out.








The parts are all traced

And there you go. The pieces are traced.







Note about the orientation of the partsWhen laying out and tracing the pieces you should vary them according to the direction of the corrugations in the cardboard. You can see two silhouettes of part #1. One part runs one way and the other one runs the other way. This varying the direction will make the catapult stronger.





Use a ruler to cut the parts

Go ahead and cut out all those pieces. Using a ruler like this is a good idea. It willl help you make very straight cuts.


NextOkay, we have made the pieces. Let's go ahead and build it. Continue

(You can also watch the video below)





The Video Tutorial is here:


BallistaMake a Ballista out of foam board

It's an ancient Roman and Greek siege engine and you can make one out of foamboard. I have the template for you. Cut out the pieces, trace onto foamboard and put it together. Make a Ballista