In a large bowl, blend together butter, sugars, peanut butter, eggs, vanilla and baking soda. Add oats and mix well. Fold in candy-coated chocolate pieces and chocolate chips. Spray a 15x10 jelly-roll pan or cookie sheet. Spread batter evenly in pan. Bake at 350 degrees for 20 minutes, 15 minutes into cooking time add your eyes and sprinkles to the top of your cookie bar, continue to bake till done. Cool completely; cut into bars. Makes 2 dozen.
Nutrition values are estimates, for exact values consult a nutritionist.