Make flower petals. Dip five potato chips for each treat in reserved melted pink candy. Place on parchment-covered cake boards. Chill until firm, about 5 to 10 minutes.
Use brush and remaining melted pink candy to brush lines at the of each petal which will be closest to the flower center, about 1 1/2 in. long. Sprinkle with pink sugar. Let set, about 3 to 5 minutes.