Heat oven to 350°F (325°F for dark or nonstick pans). Make and cool cupcakes as directed on box for 24 cupcakes.
Frost Santa cupcakes with white frosting.
At the top edge of the cupcake add a little red decorating gel to look like Santa's hat
Add 3-4 mini marshmallows horizontally under the red decorating gel. (This is the brim of Santa's hat)
Arrange 2 green M&M's on cupcake under the hat for eyes.
Place 6-7 more mini marshmallows below the nose to resemble Santa's beard. Store loosely covered.
Frost Snowman cupcakes with white frosting.
Sprinkle sugar crystals over tops of cupcakes.
Place more brown M&Ms below for mouth. Store loosely covered.
Frost Reindeer cupcakes with chocolate frosting.
Cut pretzel twist in half; arrange on cupcake for reindeer antlers.
Center a Nilla wafer under the eyes. (it's ok if the cookie hangs slight over the cupcake)
Store loosely covered.
*Let the kids sort the M&Ms. Mine love this task.