Turn up the fun with our new SOUR PATCH KIDS Slush Float. #FunnerSummer SOUR PATCH KIDS is a trademark of Mondelēz International group, used under license. Mobile ordering available at select locations; hours may vary. $2.99 is for Medium size only. Limited time only at participating SONIC® Drive-Ins. ™ & © 2022 America’s Drive-IN Brand Properties LLC.