Apply a thin layer of frosting to your cake prior to covering with rolled fondant; this will help the fondant stick. Then, use this fondant smoother to help you easily apply the fondant to the cake while getting rid of wrinkles and puffed areas. Quickly cut strips or trim excess rolled fondant from covered cake bases with a fondant cutter. Visit your local Michaels store or Michaels.com to inspire your inner Cake Boss.
Pick your favorite cake recipe, or even a boxed cake mix if you prefer, and divide it up into as many parts as you would like colors. Use food coloring to dye each part. Then pour into a cake pan in the layers. Bake, and voilà!
This website is fantastic! Great tips on simple decorating ideas to baking hints plus for the majority, they don't use that roll out icing, just butter icing. Great for the novice (but creative) baker. Great example is the number 3 cake or the one pictured. Highly recommend this, even if just for a giggle.