https://www.polygon.com/2017/11/29/16714980/super-mario-cereal-amiibo-nintendo-kelloggs

Kellogg’s and Nintendo have teamed up for Super Mario Cereal, a sugary breakfast cereal designed to promote Super Mario Odyssey. In addition to bringing Nintendo-themed cereals back to store shelves, the release is noteworthy for another reason: The cereal box is an amiibo.

Super Mario Cereal hasn’t been officially announced by Nintendo and Kellogg’s yet, but it’s already reportedly showing up on store shelves. Cereal blog Cerealously uncovered the product earlier this week, and Super Mario Cereal — a mixed berry-flavored cereal with “power-up marshmallows” — is starting to be stocked in stores.