Everyone has to buy the book - or you can send a self-addressed, stamped envelope to the address given in the "Help" section of the website (www.the39clues.com). They will send you the cards for Book 1.
Agent card codes are free, however, and you can create your own agent card, and share your agent card codes with your friends.
For starters, you can add my agent card code "P24R66XMXP", and don't forget to share your own.
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P4dmdtrmxp
The only card that has a reusable code is the Surveillance Camera card (card #1) that comes with The 39 Clues Book 1: The Maze of Bones. Otherwise, you can not use a card code that someone else has already used.
In "The 39 Clues," the card codes for the first two card packs are as follows: Pack 1 has the code "A1" and Pack 2 has the code "B1." Each card pack contains unique clues and characters that contribute to the overall adventure. Players can use these codes to unlock additional content and enhance their gameplay experience.
The only card that has a reusable code is the Surveillance Camera card (card #1) that comes with The 39 Clues Book 1: The Maze of Bones. Other codes can only be used once. If the card code has already been entered in your gallery or another player's gallery, it won't work for your gallery.
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there are several ways...1-complete a mission 2-complete a card combo 3-get the books and put the card code on
It's the code on the bottom of every card in the clue hunnt cahill vs vesper card only have 1 per book or 1 per card pack
P29rp379xp
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Card #3 comes with the 1st book of the 39 clues:The 39 Clues: Book 1: The Maze of Bonesin the book there are Cards #1, #2, #3, #4, #5, #6.