The 39 Clues Wiki
The 39 Clues Wiki
Card 243: Spy Sea Lion
Branch: Tomas
Type: Secret
Rarity: Rare
Puzzle: No
Clue: Yes
Top Secret: No
Where To Get This Card: Card Pack 4


"For years, the US military has been using dolphins and sea lions in their operations. Sea lions can trained to detect bombs attached to ships. Dolphins have been used to deliver supplies. Naturally, the Cahills have taken this strategy a step further. The Tomas have a fleet of spy sea lions that monitor activity around important aquatic the area above the Mariana Trench."


This card, combined with Card 219 and Card 235, forms the Clue Quartz.