Balloon Pen Gun

Introduction: Balloon Pen Gun

About: I sadly took a (really) long break from Instructables since creating my account. Joined the military, gained some knowledge, and hopefully I'll be putting out some up to date Instructables soon!

This instructible will show you how to make a surprisingly powerful pen gun made from only a balloon, a rubberband, and a pen.

Lets get started!

Step 1: Materials

a pen similar to the one shown
a balloon
a rubberband

thats all you need!

Step 2: Make the Pen Gun

First, disassemble the pen. It should look like the picture.
Put the balloon on the end of the pen barrel, and make sure the balloon is not very tight against the pen. 
Secure the balloon with the rubberband.

Step 3: Fire the Pen Gun

To fire the pen gun, put the ink cartridge into the barrel 

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    11 years ago on Introduction

    this also works with anything strait or round and fits in the pen tube