Compares the amount of fat in glazed donut vs. bagel, ice cream vs. frozen yogurt, Big Mac vs. grilled chicken sandwich, french fries vs. baked potato, hamburger pattie vs. chicken w/o skin, and sausage biscuit vs. pancakes. Comes in a sturdy corrugated cardboard box that converts into a test tube rack. Each food label states the calories, fat grams, percent fat, and milligrams of cholesterol.