What is the shelf life of a cake with buttercream icing?
After a cake has been baked and decorated, if it is stored properly it will usually last for about a week before it should be discarded.
Cake improver is an industrial additive, which is destined for cake production. Using it, the cakes become soft, with proper texture. In some cases, the cake improver also elongates the cake shelf life. More information about the issue can be found in the PentaCake improvers web-site on the link below.
Figure out what the person like the most. Then make a cake in shape of that. For my big sister's sweet sixteen my mom made a guitar cake, she made strings with some yarn, for the tuner thing at the top of a guitar she used real ones and it was life sized plus not a single part was missing. it was an electric guitar cake. if u can't make it the shape of it…