How to Make a 3D Ghost Cake Part 2: Cake Construction

Using a single box of cake mix (amzn.to/XWeSCs), I baked a 6" round cake layer (amzn.to/1B1oYyK) and a cake in my 2-quart glass bowl (amzn.to/1pogz1O). Here's how I trimmed the cakes, put them together, and iced them with a crumb coat of buttercream (www.cakedarla.com/icing-recipe...) so they're ready to become a 3D ghost.