You can now find previous years' T-shirts and a large variety of Julia Robinson logo items at the Julia Robinson Mathematics Festival CafePress store. Let us know if there are other items you want to see there!
You can make a purchase in our Amazon store which lists most of the books and toys we have given out at past festivals and a few other favorites as well. In order to see all the materials - over 100 items! - be sure to click on the categories over in the left sidebar as well as using the "next page" link at the bottom of the window. Let us know if there are other items you want to see there!
To donate by credit card, just choose the Julia Robinson Mathematics Festival option under the program tab on the bottom of MSRI's main donation page.
Alex Gonzalez, Director of Development
Julia Robinson Mathematics Festival - Support Us