Twelve years ago, a mechanized version of a red plushy “Sesame Street” co-star became the unofficial face of obnoxious Christmas consumerism. Retailing for $28.99, “Tickle Me Elmo” resold for as much ...

Like most children her age, Luna Stephens, 17 months, is a huge fan of Sesame Street. And Chrissy Teigen shared an adorable video of her daughter getting her first talking Elmo toy via her Instagram ...

When toy manufacturers make talking toys, they use the cheapest chips and speakers possible: 4-kilohertz audio samples played through a 30-cent piezo buzzer would be an extravagance in this industry.

For nearly two years, designers at Mattel Inc.'s Fisher-Price toiled to hide a maze of copper wires and microchips under the plush red fur of the company's newest Elmo toy. The resulting "Elmo Live" ...