New Club Penguin Mountain Expedition Stamps!

Club Penguin has released the Mountain Expedition. As a result, they’ve added 2 new stamps, too! The new stamps are yellow coloured, meaning they are a medium challenge. To see them, view the instructions below.
Open up your Stamp Book from your playercard.
Click the “Events” section.
Click the “Party section”

How to get the stamps
Happy room: Smile with a complete 10 penguins in 1 room. Try a Mountain Expedition Room. Thats the fastest way.
Party Puzzle: Members only; solve 1 puzzle at a party. Again, Mountain Expedition.