Stamp Station

Stamp Stations appear in The Legend of Zelda: Spirit Tracks and can be used to get stamps, which are stamped in the Stamp Book given to Link by Niko in Aboda Village. Some Stamp Stations are hidden, while some are out in the open. They are on most islands, and inside of Sanctuaries and Temples.

Rewards
When Link gets 10 stamps, Niko will give Link a choice of using the Shield of Antiquity instead of the normal shield, with the ability to switch out at any time.

When Link gets 15 stamps, Niko will let Link choose if he wants to wear the Engineer's Clothes instead of the Recruit Uniform, with the ability to switch out at any time.

When Link gets 20 stamps, Niko will teach the Great Spin Attack to Link.