If you look close you can see that it is actually on frosted cake with four different designs to choose from.
I made a quick video to show how to frost the cake.
Just pick the one you want to make and decorate and then the fun begins.
There are:
Googly Eyes Cake
Candy Corn Cake
Bat Cake
Candy Ghost Cake
You can modify these cakes in many ways. You do not have to use different colors of frosting and can add in different items to make it your unique cake.
The fun part is letting the kids decorate and make it as spooky fun as they want.