Melt butter in a large pot over low heat. When butter is melted, stir in marshmallows. When marshmallows have melted, add orange and red food coloring until you reach your desired color. Stir in cereal and mix over low heat until cereal is fully coated.
Line a 9x13 pan with parchment paper (or spray with cooking spray). Gently press marshmallow/cereal mixture evenly into pan. Chill for at least 10 minutes.
Melt green candies according to package directions* and spoon into a piping bag with a small tip (or a sandwich bag with the corner snipped off). Draw 'carrot tops' and top with green sprinkles. Allow to set.
Turn cooled rice krispies treats onto a sheet of parchment paper and carefully cut into triangles.
Melt orange candies according to package directions and drizzle over triangles. Top with orange sprinkles and affix the green tops before the orange melts set.
Notes
Calories are automatically generated. For best results calculate based on your exact ingredients.*Our preferred method is to place candy melts in a microwave safe glass bowl and microwave on high in 10 - 15 second increments, stirring between heatings, until candies are thoroughly melted.