In a small microwave-safe bowl, add 2 cups of cocoa candy melts and heat in the microwave on 50% power for about 3 to 4 minutes, stirring every 30 seconds until melted.
Fill the decorating bag with the melted chocolate and cut a tiny tip of the end.
Gently break the graham crackers in half width wise.
Apply a small amount of melted chocolate on the back of a piece of candy corn and place with pointed side down onto the bottom center of the graham cracker, pressing down to adhere.
Apply a small amount of melted chocolate on the back of 2 candy eyes and place one on each side above the candy corn nose.
Using the decorating bag, draw a wavy line below the candy corn to resemble a smile.
Draw hats onto a piece of parchment paper, the bottom being the length of a graham cracker and transfer to the freezer for 5 minutes to harden.
Apply a small amount of melted chocolate on the back bottom of the hats and carefully stick onto the top of the scarecrow grahams.
Carefully break apart the shredded wheat, apply a small amount of melted chocolate on the back and stick on the bottom sides of the hat to resemble hair.