In advance: Mold candy. For base, fill 1 muffin pan cavity 3/8 in. deep with melted white candy; tap, refrigerate until firm, then unmold. Use treat pan to mold snowman. Tint melted candy. Using piping method, mold candy snowman. Refrigerate until firm then unmold. Trim bottom of snowman straight. Pipe facial features and buttons using melted candy. Let set. Attach snowman to candy base with melted candy; let set.