Texas Instruments "Little Professor" (1976)

Texas Instruments Little Professor 🥇First Commercially-Released Fully-Electronic Educational Toy   The Texas Instruments Little Professor, launched on June 13, 1976, was a masterclass in psychological marketing that transformed the "scary" calculator into the world's first electronic educational toy. Rather than performing calculations for the user, it functioned as a "reverse calculator," challenging children aged five to nine to solve arithmetic problems displayed on its vibrant red LED screen. To make math feel like a game, TI gave the device a charming personality: the housing featured a moustachioed professor with spectacles, and the LED display was cleverly shaped like a mortarboard cap. It offered four difficulty levels and over 16,000 pre-programmed problems, rewarding correct answers with a "wobbling hat" (in later models) and chastising errors with a stern "EEE" message. The concept was a massive hit—TI sold over one million units by 1977—proving to skeptical parents that dig