Squeeze the Black, Red, and Yellow cookie icing into piping bags fitted with a number 2 tip.
Squeeze the white icing into another number 2 tip piping bag as well as the small star tip piping bag.
Using the black piping bag pipe a line along the top of the treat to create the hat for the Nutcracker.
Using the red piping bag, pipe the line shown in the in-process picture and fill in with the red icing.
Using the white icing, fill in the little square shown in the in-process images.
Pipe a small dot onto the back of the mustache and place into the lower center of the rice krispie treat.
Pipe 2 dots above the mustache for the eyes.
Using the yellow icing, pipe an upside down triangle on the hat.
Pipe two yellow dots on both sides of the triangle. Then, Allow drying for 2 hours.
Using the paint brush, dip it into the pearl dust and brush it onto the yellow detail for an extra shimmer.