Elliot Handler and continued to be produced in different versions until the early 1970s. Another product line was Hot Wheels, introduced in 1968, which gave rise to 10,000 different models. First called Mattel Creations, the company has become the largest toy maker in the world in terms of revenue. In April 2008, Mattel honored Handler with a 90th birthday party at its headquarters in El Segundo, California. Guests included his daughter Barbara Segal, the namesake of the Barbie doll. Handler died of heart failure at home in Century City, a district of Los Angeles, California, at age 95 on July 21, 2011.
Ruth Handler manufacturing. The company's first big-seller was the "Uke-a-doodle", a toy ukulele. Ruth Handler claimed her daughter Barbara, who was becoming a pre-teen, played with paper dolls by pretending they were adults. Handler noticed that in such play, children would act out future events, rather than the present. Handler noted the limitations of the paper dolls, including how the paper clothing failed to attach well. She wanted to produce a three-dimensional plastic "paper doll" with an adult body and a wardrobe of fabric clothing, but her husband and Mr. Matson thought parents would not buy their children a doll with a