Construction Cake

Marble cakes, Chocolate fudge Icing, for dirt I mixed together crushed oreo cookies, reeses PB cups cut up,choc.wafer cookies crushed up,and choc.cake crumbs...Mixed them all together for the dirt and the grey things are candy rocks (Duff's Product)made of choc...The signs I made out of choc. candy melts....It was a fun cake to make...Didnt have to worry how smooth the icing was , lol