Fit a pastry bag with round pastry tip and fill with all of the icing.
Start by drawing a circle with the icing in the center of your serving board.
Fill in the entire circle using up all of the icing.
Use an offset spatula to smooth the frosting to make a clean circle.
Use the black sparkle gel to draw on two tilted oval-shaped eyes and two small dots for the nose.
Draw a slightly curved line for the smile and then smaller vertical lines across it so that it looks stitched.
Add Fudge Rounds to the top right and bottom left corners of the serving tray.
Add brownie bites in the top left and bottom right corners.
Fill in the open white space with a variety the full sized cookies and pretzels.
Fill in all extra empty spaces with the smaller cookies, licorice wheels, gummy pumpkins and mini marshmallows
Add as many sour worms as you like for a special touch.
Serve the Jack Skellington Frosting Board with spoons and plates for all to enjoy.