At frostedflakes.com, kids can create their own Mighty Tiger sports anthem and make their own Frosted Flakes trading card. Frosted Flakes ranks in the top three for share of supermarket shelf space and is tops when it comes to in-store marketing. Obesity researchers are trying to expose the marketing tactics that make kids clamor for a sugary start to the day, crispy calorie bombs that are often low in fiber and high in junky carbohydrates.