The essential elements of the Snack Shack are its storage area and its serving window. You can stow tools in the storage area and serve cold drinks from the bar. It's a handy combination of practicality and fun for the yard or the poolside.
But what if we were to build it in a public setting? What could it be then? A mini surf shop? Information booth? Popsicle stand?
House plan collections are fertile ground for flexible, little buildings with a variety of possible uses. They've earned the status of a "stock plan" because they're repeatable in different settings. How you use them is up to you.