What Goes Through a Door but Never Goes In and Never Comes Out? is a puzzling riddle about something every door has. Guess, then tap Show Answer.
Riddle: What goes through a door but never goes in and never comes out?
Answer: Keyhole
Need a hint?
You put a key into it.
Answer and explanation (spoiler!)
The answer is a keyhole.
A keyhole goes right through the door from one side to the other, but it never enters the room or leaves it; it stays in the door.
The riddle makes us imagine a person walking through a doorway, when the answer is part of the door itself.
Difficulty: Medium · Best for: ages 8 and up
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FAQ
Are there other answers?
A door hinge or the door frame are sometimes suggested. Keyhole is the classic answer.
Is this riddle good for kids?
Yes, especially if you have a door with an old-fashioned keyhole to look at.