Place lollipop sticks in hard candy molds or arrange sticks 3 in. apart on greased foil-lined baking sheets; set aside., In a heavy saucepan, combine corn syrup and sugar. Bring to a boil over medium heat, stirring occasionally. Cover and cook for 3 minutes to dissolve sugar crystals. Uncover and cook over medium-high heat, without stirring, until a candy thermometer reads 300° (hard-crack stage). , Remove from the heat; stir in flavoring and food coloring, keeping face away from mixture as odor is very strong. Immediately pour into prepared molds or pour free-form over ends of lollipop sticks on baking sheets. Let cool before removing.