Good-Cooking - Sparkling Snowflake Cookies

Ingredients

• 1 (18.25 ounce) box white cake mix
• 1/2 pound (2 sticks) butter or margarine
• 1 egg
• 1 teaspoon vanilla extract
• 2 cups quick or old-fashioned oats, uncooked
• Assorted colored sugars
• candy sprinkles
• small candies
• decorator icings