I am doing the following cake next week and I don't know how they got the green & brown colors, it sorta looks like the cans of spray....but all the stores around where I live only have yellow/pink/red/etc.. no green or brown/tan ----- any ideas on how I can get that look?
You can buy the green can from Wilton. I would definitely suggest that you practice with it a little learn how to be able to get the look you are wanting. I used the cans for a cake I did a couple weekends ago, and they are interesting to use. Not bad...but just familiarize yourself with it.
There is not a "can" spray that you can get in that brown color. An idea is maybe crush up graham crackers and use that for the dirt. It might end up looking better than if there was a brown color 
Let us know what you do!
Miah
They used airbursh in this cake. I, too, was looking for brown spray to make a construction cake. No one that I can find sells brown. What I ended up using was chocolate icing where the brown was supposed to be. The cake came out really cool. I used crushed oreo cookies to add to the chocolate mounds to look like rocks.
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