If you were a young fan of Mad Magazine‘s outrageous and sometimes edgy humor in the ’70s, chances are you also collected Wacky Packages—the hilarious parodies of everyday products that felt like they came from the same quirky universe. What Were Wacky Packages?Wacky Packages were TOPPS collectible cards (actually, stickers—much to the chagrin of our parents) that parodied common products of the day—from pet food to dishwashing gloves—and were originally launched in 1967. YOU MIGHT LIKE: How Many of These Objects From the ’70s Can You Identify?Created by Art Spiegelman, the first run of 44 car…