This was a cake for a two year old who loves trucks. I took one of the grandkid's tonka trucks out of the garage, set it on the counter, and started drawing! Then I transfered my drawing onto a sheet of gumpaste , let it dry, and then painted it with food coloring. The rocks were the fun part- they're just swirled, rock colored fondant. I heard the cake was a hit - Noah liked his truck!