The answer is coded in a note in the pet shop.
74
yes there is. to do it thogh u first have to solve ether the case of the missing puffles or the the coin mistory.
puffles
The puffle mission on Club Penguin is called "Case of the Missing Puffles". It is mission 1. You can only do it by being a secret agent. See the related links below of how to complete the mission.
the names of the missions are; case of the missing puffles Gs secret mission case of the missing coins avalanche rescue secret of the fur questions for a crab clockwork repairs mysterious tremors operation spy seek waddle squad the veggie villain
You can get puffles only you cant name it it has he secret name
On top of the tallest mountain but you have to fix the brown penguin's telescope first.
The names of the missions in order are Case of the Missing Puffles, GS secret mission, Case of the Missing Coins, Avalanche Rescue, Secret of the Fur, Questions for a Crab, Clockwork Repairs, Mysterious Tremors, Operation Spy and Seek, Waddle Squad, and The Veggie Villain.
You go look around by where the bushes are
The truth of the matter is that they're no secret puffles in Club Penguin. On YouTube and other sites, people fake making rainbow puffles and what not. The only puffles in Club Penguin are at the pet shop. Club penguin now has brown puffles!
Go to the stadium, take the pics of the puffles and give them to Aunt Arctic.
There's no key, you have to play the mission before it, which is case of the missing puffles.