A unique kit that uses your T-shirt as the ice cream machine. It?s a totally new way to churn your favorite flavors into a yummy ice cream treat. Just put all the ingredients in the container, slip it in a T-shirt, start twirling, and voila perfect ice cream every time! Kids invent their own secret recipes with flavors and colors. Science experiments investigate why rock salt is used in making ice cream (to create super cooled water), how the size of ice crystals makes ice cream gritty or smooth, and how air adds fluff to the mixture. Learn about solids, liquids, and gases. Created with the ice cream experts at GEMS