For a fun cereal flavor, I used Fruity Pebbles with Marshmallows cereal. This is a Fruity Pebble cereal base with Lucky Charms marshmallows in them. I found it at my local grocery store, but Target, Walmart, Safeway, and Winco should have it as I think it is a regular cereal mainstay now. If you cannot find this particular Fruity Pebble with Marshmallow type, plain Fruity Pebbles will work!