According to here:
"Mattel, Inc. (Mattel) designs, manufactures and markets a variety of toy products worldwide through sales to its customers and directly to consumers. Mattel?s portfolio of brands and products are grouped in categories, such as Mattel Girls & Boys brands, including Barbie fashion dolls and accessories (Barbie), Polly Pocket!, Pixel Chix,Winx Club and Disney Classics, Hot Wheels, Matchbox and Tyco R/C vehicles and playsets (collectively, Wheels) and Batman, CARS, Superman, Radica: products, and games and puzzles (collectively Entertainment); Fisher-Price brands, including Fisher-Price, Little People, BabyGear and View-Master (collectively, Core Fisher-Price), Sesame Street, Dora the Explorer, Go-Diego-Go!, Winnie the Pooh, InteracTV and See ?N Say (collectively, Fisher-Price Friends) and Power Wheels, and American Girl brands, including Just Like You, the historical collection and Bitty Baby. On October 3, 2006, Mattel completed its acquisition of Radica Games Limited (Radica)."