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The 39 Clues Game Cards
The 39 Clues game cards are your key to unlocking Cahill secrets.
- 6 game cards come with each book
- Card Packs of 16 randomly assorted cards sold separately
- No two Card Packs are alike!
- Add cards to your digital card collection at www.the39clues.com
- Find out which cards you still need with The 39 Clues Card Checklist
Displaying all 4 card packs
* NO PURCHASE NECESSARY. Void where prohibited. For complete details and official rules, click here.
