Dip sandwich cookies. Melt cherry cordial Candy Melts candy according to package directions. Use dipping tongs to dip sandwich cookies halfway into melted candy. Tap to smooth and remove excess candy. Place on parchment-covered cake board. Chill until firm, about 10 to 15 minutes.
Decorate sandwich cookies. Melt white, red and pink Candy Melts candy according to package directions. Use melted white and red candy in cut parchment bags to pipe straight lines on some cookies. Immediately sprinkle with white and red sparkling sugar. On other cookies, use melted white, red and pink candy in cut parchment bags to drizzle diagonal or intersecting lines on cookies. Chill all until firm, about 3 to 5 minutes.
Decorate shortbread cookies. . Place cookies on parchment-covered cake boards. Use melted cherry cordial candy in cut parchment bag to pipe over center of cookies. Tap lightly to smooth. Chill until firm, about 10 to 15 minutes.
Use melted red candy in cut parchment bag to drizzle lines or pipe circles on cookies. Chill until firm, about 3 to 5 minutes.