The TupperWave Stack Cooker a versatile piece of kitchen equipment that makes cooking or baking easy right from the microwave! It’s perfect for hot days that you don’t want to heat up the house to cook anything, a small cooking space, traveling and staying in hotels or someone who’s living in a dorm room so they can make a healthy meal for themselves. (2) Red and (2)Blue I’m a Tupperware consultant trying to clean out my dead stock and try to recoup my investment.