Call of Duty: Black Ops Tank Birthday Cake - This is a birthday cake I made for a 10 year old boy who had a Call of Duty themed party. The top cake was a 9" trimmed to around 8" yellow round cake w/vanilla bc filling. The bottom cake was a 9X13" choc. cake w/choc. bc filling. I decorated it with MMF and a little vanilla bc. The army guys are positionable toys I found online. A wide plastic straw was covered in mmf for the firing gun--which my husband helped me out by doing--I think he ...