Preheat oven to 350 degrees. In the bowl of an electric mixer, cream together one of the eggs, sugar, and shortening. Add the other egg, milk, baking soda, baking powder, vanilla, salt and flour. Turn the dough out onto a floured bread board and cut into your favorite shapes. Sprinkle with colored sugars. Bake for 8 to 10 minutes, then cool on a rack.