It all began in 1981 thanks to Bonnie Zacherle ... My Little Pony toys. Below are some of the most valuable pieces from the ’80s and early ’90s that you can resell on eBay.

But how did they go from cheap toy to ubiquitous marketing tool—and why have they disappeared everywhere except the ...

While you may remember Pound Puppies, Cabbage Patch Kids, He-Man, and Popples, we're willing to bet there are actually a bunch of forgotten 80s toys that you haven't thought about for years.