Top tier is 2 x 6"round chocolate cake with chocolate fudge filling. Bottom tier is 3 x 10" round chocolate cake with strawberry and fudge fillings. Under the fondant is a vanilla buttercream. The stars are fondant with fondant letters on lollipop sticks. The clubhouse is fondant with buttercream accents. All is edible, except the Mickey Mouse figurines and the lollipop sticks.
For those over the age of 4 who are not familiar with the Mickey Mouse Clubhouse, you can see it in the background of this picture: