Pour coconut oil in large saucepan on low heat.
Once coconut oil is melted, add the bag of marshmallows and stir until marshmallows have melted and mixture is smooth.
Add green food coloring until desired color is achieved, adding little by little, stirring color.
Add in the cereal and fold in cereal to the mixture until it is all mixed well together.
Pour cereal in a greased 9x13 inch pan. Wet your hands so mix doesn't sick to your hands and press krispies mix until it is flat and molded into the shape of the pan.
Place that to the side and start on the chocolate dip (for Frankenstein features)
Grab a microwave safe bowl. Add the chocolate chips and shortening to it. Place in microwave for 30 seconds at a time, mixing after each 30 seconds until all chips are melted.
Cut the cooled krispies into squares. Grab your wax or parchment paper. Dip the top of the square treat into the melted chocolate, and knock off any excess. ( I did this with a spoon and the corner of the bowl) and place treat on the paper. Repeat for all treats. This is his hair.
Grab a sandwich ziploc bag. Pour the rest of the melted chocolate in the bag. Cut off a very tiny corner of the bag. Draw Frankenstein's mouth. Repeat for all.
Squeeze a drop of chocolate behind the candied eyeballs and place on Frankenstein. The chocolate acts like a glue. Repeat for all. Chill until chocolate is hard. Enjoy!