PHILADELPHIA (CBS) — General Mills has created what it calls “the unicorn of the cereal world– fantasized about, but never seen.”
And that would be the all-marshmallow version of Lucky Charms, but before you get too excited… you should know there are only 10 boxes in existence.
To get your hands on one, you’re going to have to win it. GM says all you have to do is share a photo of yourself holding an imaginary box of Lucky Charms on Facebook, Twitter or Instagram from now until October 18th using #Lucky10Sweepstakes.

(Photo credit General Mills)

(Photo credit General Mills)