The 1971 Playground Summer Series Activity Card File from York, PA is a vintage piece of ephemera that captures the themes of elementary and high schools. This original document from the United States serves as a nostalgic glimpse into the past, providing a unique perspective on educational activities and events during that time. With the California Prop 65 Warning of "Do not eat," this collectible item adds a quirky and playful touch to its historical significance. A perfect piece for collectors or enthusiasts of educational memorabilia.