In advance: Mold Santa lollipops using painting method. Mix a small amount of red candy into white to make pink. Let set.
Prepare cereal treat recipe and press into pan, 1 in. deep; unmold. Cut 2 in. squares; stack 3 and press together to make 2 x 2 x 3 in. high chimney. Use melted white candy in cut parchment bag to pipe lines for 1 x 1/2 in. bricks. Pipe mound of candy snow on top, letting edges drip down. For arms, cut red spice drops in half lengthwise; roll out on surface sprinkled with sugar. Cut lollipop stick in half; wrap around end of lollipop stick, leaving 1 in. extended; secure with melted candy. For mittens, cut green spice drop lengthwise in half; roll out in sugar. Shape mittens by hand; attach to arms using melted candy. For body, cut spice drop in half horizontally; insert Santa lollipop stick through top half. Cut small hole in top center of chimney. Insert sticks, cut to fit, into chimney to position head and arms. Use melted candy to pipe fur trims on front and around neck and arms.
Adding color details to candies makes them more realistic and much more fun! For large areas of color, it's best to paint the melted candy right in the mold before the whole candy is molded using a decorator brush. Or, for very small details like vines, mouths and messages, melted candy should be piped onto molded candies using a parchment bag with a small hole cut in the tip.