A document, often in PDF format, designed for recreational use, facilitates tracking vehicle registrations from all jurisdictions within the United States. Participants typically mark off states as their license plates are observed, aiming to identify all 50. These documents range from simple checklists to elaborate templates including areas for date, location, and other observations.
Such a pursuit offers educational and entertainment value, particularly for families undertaking road trips. It encourages observation skills, familiarizes individuals with geography, and provides a structured activity to pass time during travel. The game has existed in various forms for decades, predating widespread digital connectivity; printed materials served as the primary method of participation.