The mass-produced-doll industry exploded in the years after World War II, thanks to innovations in plastics. Celluloid dolls had been around since 1860, and were manufactured in the early 20th century, but they weren't very durable. Their colors would fade, their features might disintegrate, and even more troubling, they were highly flammable. Plastics developed during wartime allowed toy companies to make millions of dolls using the same...Continue Reading