Here is the cake DD made: She used the box cake Marilyn's friend recommended, covered with green fondant, and the monsters are made from chocolate clay.

 

You can see more from the side view - notice the little helicopter at the side:

 

 

Her monsters are adorable:

One of her ambitions (out of several) is to be a pastrychef. I think she is certainly talented enough, and her sister thinks she belongs on Ace of Cakes!