About the Design
Show your allegiance to girl game devs whenever you sport your Marshmallow Math t-shirts or accessories ! 100% of the proceeds from sales of these shirts go to support our game dev curriculum for Girl Scouts San Diego. Read more about us at http://marshmallowrun.com.
100% Happiness Guarantee. Free and Easy Returns.
Your Happiness, guaranteed.
We want to be sure you're satisfied with your order, which was custom made especially for you. If your order is wrong, you’re not happy with the prints, or it isn’t what you expected for any reason, our Customer Support will gladly replace or exchange any items free of charge.Close