1. Preheat oven to 375 degrees F. Mix baking soda and milk. In a separate bowl, mix margarine with Vanilla Crème Sweet Drops. Add the eggs, baking soda, milk, and flour. Mix and refrigerate for one hour.
2. Knead and roll the dough, making different shapes of cookies. Bake for 8 minutes. Let cool.
3. Mix all the frosting ingredients, except the sprinkles. When the cookies have completely cooled, brush frosting onto the cookies. Add the sprinkles before the frosting dries.