Changeables, also known as McRobots, was a toy series produced by the McDonald's corp. and given away with fast-food meals at their restaurants. The series used the then-popular "Transforming Robots" toy concept in conjunction with their own products. The robots could transform into items (mostly food) from the company. Unfortunately, there were only three series (1987, 1989 and 1990) of McRobots. So, the geeky kids of today might have a hard time understanding why people would want transforming McDonalds food items. Continue reading for more.