Yes, these are in fact, Cakes. Some of them I'm still not convinced because they look so real!!! There's Burger Cakes (my favorite), cakes of shoes, Cognac, Toyboxes, Tyres, Pepsi, suitcases, and heaps of others. Pretty amazing stuff!
From: http://englishrussia.com/?p=851
All you see below are cakes that can be eaten without any part of it left. No plastics or any other artificial stuff is being used - everything is eatable. All this cakes by Zhanna from St. Petersburg.
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Cognac Cake

Treasure Chest Cake

Beer and Herring Cake

Mushroom Cake

Roulette Cake

Scorpion Cake

Suitcase Cake

Suitcase full of money Cake

False Teeth Cake

Tyre Cake

Pepsi Cake

Toybox Cake

Burger Cake

Eiffel Tower Cake

Parliment Cake

Reebok Cake