The hunt for the 39 Clues is on - and the evidence contained in the 39 Clues cards is the best way for avid searchers to get ahead!
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Harry Houdini. A poison injector ring. Alcatraz. Mary Shelley's Frankenstein. What can they possibly have in common? Amy and Dan don't know, but fans of the 39 Clues series will soon find out.
The first Cahill card series features 55 thoroughly intriguing evidence cards that kids need to hunt down the 39 Clues. The oversize cards (3.25 x 5) are loaded with top-secret Cahill information and intriguing puzzles that unlock the family's secrets. Each pack contains 16 randomly assorted cards, with at least one rare or ultra-rare card per pack.