The Play-Doh factory Remember Play-Doh? If not, Play-Doh is a children’s modelling clay used for arts and crafts projects. It is composed of flour, water, salt, boric acid and mineral oil. First manufactured in Cincinnati, Ohio USA in the 1930s, Play-Doh was repurposed from a failed attempt at wallpaper cleaner. I love Play-Doh. As a… Read more
Clones and bad ideas
