In October 2001, Sonic offered Wacky Candy Keepers, which included a pack of Wonka Nerds candy.
Wacky Candy Keepers™
Get a head start on your Halloween at Sonic. Every kid's meal comes with one of these Wacky Candy Keepers featuring the Wacky Pack dressed in their favorite costumes. There's Count VamPete, Frankenjunior, Molly the Jack-O-Lantern and Cherrie the Wizard. Plus, each Candy Keeper includes Nerds™ candy to fill the Wacky Pack's pumpkins. Collect all four little goblins!