They come as powdered mixes, liquid mixes, or chocolate balls.
They are commonly made from ceramic or stoneware.
They often include a mug, a cup and saucer, or coasters.
Yes — they come as marshmallow creme, marshmallow bits, or puffed marshmallows.
Yes — they can be used in a fluffernutter sandwich, on ice cream, on cereal, or as frosting.