Mattel Matson sold his share to Handler due to poor health, and Handler's wife Ruth took Matson's role. In 1947, the company had its first hit toy, a ukulele called "Uke-A-Doodle". The company incorporated the next year in California. Mattel became the first year-round sponsor of the "Mickey Mouse Club" TV series in 1955. The Barbie doll debuted in 1959, becoming the company's best-selling toy in history. In 1960, Mattel introduced Chatty Cathy, a talking doll revolutionizing the toy industry, which led to pull-string talking dolls and toys flooding the market throughout the 1960s and 1970s. The company went public in
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