 Indeed, even the company's creative director from 1965 until 1986, toy designer and inventor Mel Birnkrant, was not a formal Colorforms employee, working instead for a royalty percentage.The defining feature of most Colorforms play sets is their signature plastic ‘Stick-Ons™’ that can be placed and repositioned on top of graphic backgrounds to create endless scenes and scenarios at a child's whim.Original character sets focused on household themes such as Miss Weather, a girl whose wardrobe changed with the weather, and Miss Cookie's Kitchen, a woman with a variety of kitchen tools and utensils.