If you have a membership card then you need to enter this code into the code box on the Timecard page. See related links.
If you have a Mash Up card code then you can enter this into the secret code box on the Moshi Monsters sign in page.
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If it is network pin code you can get that code and instruction how to enter it .,from Prounlocking.com
Well, honey, to enter a 39 Clues card code, you need to visit the official website, click on the "Enter Card Code" button, and then follow the instructions to redeem your code. It's as simple as that, darling. Just make sure you're logged into your account so you can claim your fabulous rewards.
buy a card and enter code on fantage.com
5774
It does not have a code it can be obtained when you enter medusa plot book card codes.
If you have a secret code then you can enter this into the secret code box on the Moshi Monsters sign in page.
I believe that you can enter it on the Card code page.
promotion code optional for credit card
Yes