When a photo of a peculiar plastic object began circulating online, thousands of people tried to guess its purpose. Suggestions ranged from kitchen tools to fitness gadgets, yet most were incorrect. The surprising answer turned out to be something many adults recognized instantly but younger generations had rarely encountered: Clackers, a once wildly popular playground…When a photo of a peculiar plastic object began circulating online, thousands of people tried to guess its purpose. Suggestions ranged from kitchen tools to fitness gadgets, yet most were incorrect. The surprising answer turned out to be something many adults recognized instantly but younger generations had rarely encountered: Clackers, a once wildly popular playground toy from the early 1970s.