The whole internet collaborated and couldn’t find what this is. I’m not sure what this is, ninety percent of people don’t know too…

Toy Clackers, also known as lik-Klaks, were popular in the 1970s and are still a favorite among many vintage toy collectors today. The toy consists of two plastic balls connected by a string. When the balls are swung back and forth, they make a loud “clacking” sound.