And some facts of interest:   Barbie is made from polyvinylchloride. If Barbie was human sized, she would stand 5 foot 6 inches tall, weigh 110 pounds, and have a 39 inch bust, 18 inch waist and 33 inch hips. She is named after Ruth and Elliot Handler's daughter. Ken is named after their son. "Plastic money", the credit card, came into use in 1958 with the invention of the American Express Card, the same year that plastic was used to mass produce Barbie. Mattel used a widespread new medium for selling Barbie: television. Through TV, Barbie could be marketed directly to children. Barbie is eleven and one half inches tall. In 1992 the average American girl owned 7 Barbies.