!SPOILERS!
The Elder Wand: The Boomer Wand, allows anybody to make a wheelchair out of thin air and also make food out of air, makes you younger if you really want it, it'll make you older if you wanna destroy it
Cloak of Invisibility: Cloak of Irresistability, makes you want to eat cheese if you put it on, if you eat cheddar or mozzarella cheese you can turn invisible when wearing it.
The Resurrection Stone: The Rage-at-Gryffindor Stone, if you use it, you can resurrect the dead but also you'll be super freaking angry at Gryffindor for some reason.