She couldn't cough up the marshmallows. It could have been a major disaster. Needless to say chubby bunny is off my list. You may want to add a bit of warning with that one. Jonathan, Pleease remove chubby bunny from your list of games.
Marshmallows are very sticky and can choke a person if they slide down the throat whole.
The Heimlich manuver will not work when this happens. The marshmallow conforms to the shape of the throat, totally blocking the airway. Well, there it is. Even a web site to consult for further information. You make the call.