Wooden Door

Wooden Doors are blocks that when placed, open and close when players tap on it. It is commonly used to block mobs and animals from getting into certain areas, such as the player's house. They currently cannot be stacked, but will be stackable in the update 0.12.1.

Crafting
6 Wooden Planks => 1 Door

Trivia

 * There was a bug in Update 0.6.0 where if the player destroys the door, it could drop two doors or not drop anything at all.
 * Such was fixed in Update 0.7.0
 * Iron Bars, Glass Panes, and Fences cannot connect to doors.
 * The Wooden Door has a stronger variant called the Iron Door.
 * However, the latter will not be added until redstone mechanics are.
 * Wooden doors can block out water and won't get destroyed if placed underwater, thus can create underwater airlocks.
 * In the Update 0.12.1, Zombies will be able to break down doors.
 * Doors are useful for defense, however, in villages, villagers can open and close them.