via NationalDayCalendar:
National Play-Doh Day on September 16th recognizes a child’s modeling clay. However, before it found its way to the craft shelf, Play-Doh had more practical uses.
Play-Doh inventor, Joe McVicker of Cincinnati, Ohio, sold it initially as a wallpaper cleaner. When his father died in 1949, his mother promptly hired him and his brother-in-law to help with the family business, Kutol Products Company. Right about that time, oil furnaces began replacing coal-burning furnaces. It wasn’t long before the wallpaper cleaner sales dwindled.
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