4 Flame set packaging, plastic over the word CARTOON is raised. Sometimes refered to as the Medium yellow flame with short bubble blister.  There was a short yellow flame with short bubble blister. And a Tall yellow flame with a Tall bubble blister.  Plus there was also a Canadian warning label set available. There is a total of 4 different variants of this particular car in this number and color. Cartoons set A & B had total of 12 cars. and 4 variants of those 12  for a total of 48 cars to collect in just the A & B sets alone based on flames, Bubble blisters  and warning labels.