P29rp379xp
P3tnp2cdxp (all capitals)
a card combo can unlock a clue
P3TNP2CDXP sry I only know 1
You can purchase card packs with codes for The 39 Clues. Examples of codes are: G69CTWHC9T, G69CKR3K9T, 223M6DTNX2.
just enter this code:P2WKTH4MXP and this one too: P2HFRNGRXP also p2hfmmpmxp
In "The 39 Clues," the card combo for the Founding Fathers is represented by the codes: A for George Washington, B for Thomas Jefferson, C for Benjamin Franklin, and D for John Adams. These codes are part of a puzzle that players must solve throughout the series. If you're looking for specific combinations or further details, I recommend checking the series or related resources.
p27v7ao96w
They are not reusable. Buy codes on eBay if you really want them. ~James the Janus Check out this reusable card code! P3GJW7JEXP actually here's one: P4X363G9XP
Most of them contain secret information in the 'TOP SECRET" button thing. Most of the time you have to crack a code to find that. Also, the cards lead to clues. if you get a card combo, you may perhaps get a clue. not all 39 card combo's contain clues. you can also get the 39 clues card pack with 16 cards in it.
22xf2mjpx2
P47wkjntxp
P29w72kwxp