Wikia

Windmill
	<img alt="WindmillPinImage" src="http://images1.wikia.nocookie.net/__cb20130220130045/clubpenguin/images/thumb/e/eb/WindmillPinImage.png/170px-WindmillPinImage.png" width="170" height="170" data-image-name="WindmillPinImage.png" data-image-key="WindmillPinImage.png" />
<img alt="Template-info" src="http://images2.wikia.nocookie.net/__cb20090731224939/clubpenguin/images/thumb/4/4c/Template-info.svg/16px-Template-info.svg.png" width="16" height="16" data-image-name="Template-info.svg" data-image-key="Template-info.svg" /> Information<img alt="Template-info" src="http://images2.wikia.nocookie.net/__cb20090731224939/clubpenguin/images/thumb/4/4c/Template-info.svg/16px-Template-info.svg.png" width="16" height="16" data-image-name="Template-info.svg" data-image-key="Template-info.svg" />
Available	No
Type	Pin
Member item	No
Party	None
Cost	Free
Where found	Dock
Item ID	7124
Unlockable	No

The Windmill is a pin in Club Penguin. It was hidden at the Dock, and all players were able to obtain it. This pin is not commonly seen being worn, but a lot of people have it.