Free coloring pages in PDF format are digital, printable files containing outlined images for individuals to color in. These images can range from simple shapes to intricate landscapes, making them suitable for people of all ages and skill levels. A notable example is the widely distributed “Coloring Book for Adults: Stress Relieving Patterns,” which has sold millions of copies worldwide.
Free coloring pages offer numerous benefits, including stress relief, improved motor skills, and enhanced creativity. Their widespread adoption can be traced back to the invention of the printing press in the 15th century, which made it possible to mass-produce images for coloring.