Crown of Munchkinry: A golden crown that massively boosts the wearer's ability to conceive of creative, useful, and extreme ways of using anything. Causes the wearer to ignore simpler options.
Thieves' Downfall: A crystal orb. Whenever someone who isn't trying to steal it touches it, their clothes instantly become waterlogged. Whenever someone trying to steal it accidentally breaks it, it explodes in a massive blast of water that is intangible to the thief. Creates resentment towards not wet people in people made soaked by it.
9 Foot Pole: A magical pole that is always one foot less than what is needed for the user to poke what they want to poke with it.
Scroll of Explosive Art: When activated, causes all art within a hundred feet of the caster to explode when admired by an art critic.
Amulet of Common Sense: Says "maybe this is a bad idea" when the wearer is about to do something very stupid.
Book of Drills: A book full of drills meant for honing whatever skill the reader is currently working on honing. If the reader is not working on honing a skill, the book stabs the reader with a drill.
Boots of the Scenic Route: Can only be removed after the wearer has walked a mile in them. Whenever the wearer wants to walk to a destination, they will be forced to take the scenic route. They will inevitably enjoy the walk.
Uni-cycle: On Mondays, transforms the user into a unicorn. On Tuesdays, transforms into a unicycle when sat upon. On Wednesdays, whenever it strikes an object that has had copies made of it, all the copies are destroyed. On Thursdays, causes anyone cut with it to focus only on a single thought at a time for one hour. On Fridays, merges a washing machine it cuts with a drying machine next to it, if there is one. On Saturdays, transforms whoever is cut by it into a unicorn. On Sundays, cuts whoever is cut by it once.
Hypnotoad: A rainbow colored toad kept in an opaque terrarium because it mentally enslaves anyone who looks at it for a mere instant. Almost took over the local kingdom.
Anti-Hypnosis Sunglasses: Prevents the wearer from seeing through them(because they're opaque) but protects the wearer from visual hypnosis effects.
Bottled Ninja: A flask full of invisible liquid. Causes the drinker to instantly gain all ninja skills at master level, and replaces every language in their mind with Japanese.
Iron Maiden: An iron statue of a maiden. Any man who looks upon her will be decapitated by her.
Scroll of Nickname: When two names are written on the scroll and the scroll is thrown into a fire, one of the people whose names are written in the scroll will cursed so that people will only call them by the other name, and they will think it completely normal.