Cardboard Box pin

The Box Pin is a pin on Club Penguin. It was hidden in 2007 at the Dock. During the April Fool's Party 2007, it was hidden inside a box, which was hidden in a larger box, which was hidden in an even larger box, and continued as such up to a certain sized box.

Trivia

 * It is Club Penguin's 29th pin.
 * It is quite rare.