Key (Mainz)

Key
SNES (left) and PC (right)
First appearance	Mario's Time Machine (1993)

The Key is an item in the SNES and PC releases of Mario's Time Machine. It is a spare key to the mayor of Mainz' favorite book, which is valuable enough to warrant a lock. It is given to Mario by a metalworker in Mainz, who demonstrates the quality of his work by freely giving it to Mario. After the librarian mentions that the original key to the mayor's book is missing, Mario gives him the one in his possession. The librarian is overjoyed to have it, and becomes willing to answer Mario's questions about Johann Gutenberg.

[Edit] Mario's Time Machine (PC) / Mario's Time Machine (SNES) / Mario's Time Machine (NES)
Super Mario characters	Bowser • Bowser's mother^b • Donkey Kong Jr.^c • Iggy Koopa • Larry Koopa • Lemmy Koopa • Ludwig von Koopa • Luigi^a • Mario • Roy Koopa^d • Yoshi^d
Historical persons used as characters	Abraham Lincoln^a • Albert Einstein^c • Andrew Iverson^a • Anne Hathaway • Aristotle • Benjamin Franklin • Booker T. Washington^a • Catherine Dickens^a • Charles Dickens^a • Charles-Gaspard de la Rive^a • Cleopatra • Constanze Mozart^a • David Grenewetzki^a • Deborah Read^a • Don Lloyd^a • Duke of Alençon • Edmund Halley • Ferdinand Magellan • Francis Drake • Frederick Douglass^a • Galileo Galilei^a • George Washington Carver^a • Henry Ford^a • Ho Ti^a • Isaac Newton • Jeff Griffeath^a • Joan of Arc • Johann Gutenberg • Joseph Haydn^a • Juan Sebastian Del Cano • Julius Caesar • Kublai Khan • Leonardo da Vinci • Louis Pasteur^a • Ludwig van Beethoven • Mahatma Gandhi • Marco Polo • Mary Todd Lincoln^a • Michael Faraday^a • Michelangelo Buonarroti • Minamoto no Yoritomo^c • Pierre Paul Emile Roux^a • Plato • Queen Elizabeth I • Raphael Sanzio • Richard Burbage • Royal Society • Sarah Barnard^a • Thomas Edison • Thomas Jefferson • Ts'ai Lun^a • William Shakespeare • Wolfgang Amadeus Mozart^a
Enemies	Bird^c • Bodyslam Koopa^c • Bullet Bill^a • Koopa • Mine • Pterodactyl^a • Shark^a • Space Troopa^c • UFO^c • Walking Turnip^c
Locations	Academy • Alexandria • Athens • Berlin Wall^c • Bowser's castle • Bowser's Museum • Calcutta • Cambridge University • Cambuluc • Cretaceous Period • Eat at Joe's^a • Egypt^c • Florence • Germany^c • Gettysburg^c • Gobi Desert • Independence Hall • Japan^c • Kitty Hawk^c • London • Luoyang^a • Mainz • Menlo Park • Moon^c • Novato^a • Orleans • Padua^a • Paradise • Paris^a • Philadelphia • Stratford-upon-Avon • Swan Inn • Trinidad • Tuskegee^a • Vienna • Washington, D.C.^a • White House^a
Items and objects	Almanac^a • Apple • Art File^a • Astrolabe • Backscratcher • Ball^a • Bamboo^a • Beret • Book^a • Book of Marco Polo • Bosun's Pipe • Bow^a • Bowser Statue • Bread • Bucket of Plaster • Buckle^a • Bug Fix^a • Bug Report^a • Bunny^a • Calculus Book • Cat • Chisel • Chocolate^a • Cloth^a • Compass^a • Conversations on Chemistry^a • Crank Handle^a • Crown • Cup of Tea • Declaration of Independence • Dictionary^a • Dinosaur Egg^c • Drawing of Air Screw • Drawing of Ideal Man • Drumstick • F=MA • Fan • Feather • Filament • Firecracker^a • Fireworks • Flag (India) • Flag (United States of America)^c • Flask^a • Floppy Disk^a • Flute^a • Football • Globe • Grape • Handkerchief • Hand Mirror • Horse's Bit • Hourglass Block^c • Ice Cream^a • Incense • Inkwell^a • Information box^c • Key (Mainz) • Key (Philadelphia)^a • Knife • Ladder • Laurel Wreath • Law Book • Lemonade^a • Lens • Light Bulb^c • Magnet^a • Measuring Stick • Metal Type • Metronome • Milk^a • Mona's Mirror • Mona Lisa • Money^a • Monocle • Mushroom • Music • Newspaper • Notebook • Onion • Paint • Paintbrush • Painting^a • Pamphlet • Paper Money • Pearl Necklace • Penny^a • Physics Equation^c • Poetry Book^a • Postcard • Principia • Print Block • Propeller^c • Quill Pen (1602)^c • Quill Pen (Orleans) • Rat Trap • Republic • Rice^a • Scarf^a • Scissors • Script^a • Scroll^a • Shield • Skull • Sledgehammer^c • Spectacles (Philadelphia) • Spectacles (Washington, D.C.)^a • Sphinx^c • Staff • Stamp^a • Starman^c • Steering Wheel^c • Stovepipe Hat^c • Sword^c • Tea Bag • Telegram • Telescope (Padua)^a • Telescope (Trinidad) • Throne^c • Ticket^a • Timulator • Tire^a • Torch^c • Toy^a • Turkey^a • Turtle Cannon^c • Watch^a • Warp Pipe^c • Whirlpool • Wooden Snake
Other	Staff
^a Exclusive to the DOS/PC releases ^b Exclusive to the Deluxe release ^c Exclusive to the NES release ^d Not in the SNES release

Key (Mainz)

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