Using a double boiler, melt the candy melts until smooth

Mix in the coconut oil to thin out the candy melts

Using a fork, dip in the Oreo cookies until fully coated

Place Oreo cookies onto a cookie sheet and let dry for an hour

While Oreo cookies are drying, using a standing mixer, combine egg whites, cream of tartar, and powdered sugar on medium speed until stiff peaks form, about 7 minutes

Split the icing into 5 bowls

Leaving one of the bowls white, add in a color to the remaining 4 bowls

Scoop frosting into each bags

Once Oreo cookies are dry, using the ivory icing pipe Santa's belly and fill in

Using the red icing, pipe a line around the edge of the Oreo cookies and around the belly of the Oreo cookies and fill in

Using the black icing, pipe on a thick line above Santa's belly from the belt of Santa's suit

Using the yellow icing, pipe on a yellow square in the center of the black line

Using the ivory icing, add a dot in the middle of the belly for the belly button

Using the white icing, add white dots above Santa's belly for the fur on his suit

Let stand for another hour for the icing to dry before enjoying.