I have heard of a Diaper Cake (my friend Mara makes awesome diaper cakes). You can see how to make one here:
Have you heard of a candy cake??? Isn’t this so cute? My friend Nancy made this for her mom for her birthday. Thought I would share it! Thanks Nancy!
Here is one for Christmas:
http://www.wrapcandy.com/candy_cake.php
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http://www.wrapcandy.com/candy_cake.php