Everyone loves a rainbow cake! Here are a ton of rainbow cake recipes & decorating ideas. - These would be sweet for a little birthday party cake or something!
Watercolor Chocolate Cake Tutorial via SprinkleBakes
Kit kat cake of boxed chocolates.
Rainbow cake recipe - Recipes - BBC Good Food Looks fabulous as long as you use good paste colours (expensive). Icing can be runny. Add some flavouring to the cake layers.