Small World key

The Small World key is a fictional item featured in the Locke & Key comic book franchise published by IDW Publishing. It appeared in the one-shot special Locke & Key: Small World, published in December, 2016.

History
The Small World key was a mystical item created by Benjamin Locke. It was one of many such items crafted inside of the Keyhouse mansion in Lovecraft, Massachusetts. The Small World key opened a lock on a dollhouse given to Mary Brigid Locke by her father Chamberland Morse Walton Locke on her tenth birthday.

Properties

 * Size alteration: The Small World key could enlarge or minimize the size of living beings that enter or exit in the dollhouse.

Owners

 * Benjamin Locke
 * Chamberland Morse Walton Locke
 * Mary Brigid Locke

Appearances

 * Locke & Key: Small World 1