this cake is 16x16 and 14x14 on top sure does take alot of cake mixes to make. Next time for topp ill use 9x13 pan top broke when i tryed to lift it lol no wasent funny. But the joys of iceing we get to hide our mistakes. all classroom butter cream iceing tank made out of fondant details on tank were drawn on with eatable marker. Figurines bought at dollar store.