In a large bowl, combine the cake mix, ginger and baking soda. Stir in water, molasses and vanilla and mix well. Roll into 10 balls. , Place 3 in. apart on greased baking sheets. Flatten slightly with a glass coated with cooking spray. , Bake at 375° for 13-15 minutes or until surface cracks and cookies are firm. Remove to wire racks to cool.