Marshmallow gun 2


I write a little blurb about building a marshmallow gun and I end up with more email than any blog post before it.

Most of the emails came from kids that wanted to know more about building the gun, but I also received four emails from fathers who wanted to build them with/for their kids.

I don’t even know how they found the post so fast; it was up less than two weeks.

Oh well.

Below is a basic parts list and a few diagrams to build the marshmallow gun.

If you check out the final picture, you will see that I added a pressure gauge. I found one on eBay for about $5, and screwed it into the plastic along with a 3/8″ grommet to make the seal airtight.

Email me if you have any questions!


  1. Nick says:

    Thanks for posting dude! I am going to build one this week.

  2. Thank you! My son and I are going to start on one of these next weekend. This is a great looking design. You should post a HOW TO video on


Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed.