Where do you go to enter the gem cod in ourworld

There are more than 1 gem codes aviable each month. July ones are:

975C9F03E8EE8D49 (Gives 10 gems should work)
6DD4A907580C6CFB (Gives 10 gems and should work)

They both work until 30 July! After that,they will expire! Visit this blog for more aviable gem codes! (I dont own the blog!)

Ourworldextras.blogspot.com


(If you dont know how to enter them,then go to settings, ''Got a coupon?" and enter it there. Then press submit and gem are for you! They can be used only once.)