Expert Marshmallow Stack Game : Which To Choose?. You play marshmallow challenge in groups of four or five players. You need to give each team:
Avoid any hungry mouth and saw blades. Using the items provided build a structure at least 12 inches tall that will support a jumbo marshmallow at the top, without tipping over, before the timer runs out. While you're busy building your stack there are coins to collect around, and special events.