FREE Coffee, Tea and Polar Pop Drinks for Healthcare Workers at Circle K Posted On April 7, 2020 Circle K is offering FREE Coffee, Tea and Polar Pop Drinks to first responders and health care workers on the front line until April 30! visit any participating (U.S.) Circle K and show a valid ID.As a HUGE thank you for your support, we’re extending our free coffee, tea and Polar Pop Fountain offer for first responders and health care workers on the front line until April 30! To redeem, simply visit any participating (U.S.) Circle K and show a valid ID.[Circle K Locations]