I used 2-9 inch rounds for the bottom layer, 2-6 inch rounds for the top and the volcano was 2 jumbo cupcakes, cut the tops off and molded together. Lava was royal icing, used also for the lettering (I trace over parchment paper). Rocks are fondant. Water is icing thinned with some corn syrup. Dino candles. Leaf borders. 3 dowells between bottom 2 layers.