The creators of Coraline sent out 50 handmade boxes to some of their favorite bloggers. Each box is unique and includes items from the movie. Box #27 belongs to Neatorama and features "Chocolate Beetles From Zanzibar":
You can see the rest of the boxes I've found to date here. And for all things Coraline, including updates on Coraline keys, Coraline fast food toys, and more, visit Evil Buttons.
Relatedly, here's a funny line I read on Twitter today:
I'm not sure I understand this Coraline media blitzkreig; Coraline is a dark and complex tale, not a goth Dora the Explorer.
*Buy Coraline keys at eBay.