So I know this response piece is about 13 years too late (God, we are old), but the internet wasn't really big then and I've just finished watching Friends the second time through and I just have a lot of feelings.
When thinking about toys from the '90s, Beanie Babies are probably one of the first things that come to mind, after Gak and Cabbage Patch dolls that got recalled for eating a little girl's hair.