Preheat oven to 350 F.
Pour melted margarine product into a 13 x 9-inch baking dish to coat evenly.
Sprinkle graham cracker crumbs on bottom of baking dish to form an even layer.
Layer chocolate chips, butterscotch chips and mini marshmallows.
Evenly pour condensed milk over all ingredients.
Bake 25 minutes or until bubbly.
Let cool before cutting into squares.
Pile Squares up and top with Ice cream.