 How much? That I don't know. I don't know. Safe to say tens of thousands of Hello Kitty collectibles. Everything from key chains and cosmetics, kitchen items, stationery, handbags, knickknacks upon knickknacks. Superfan Helen, who for safety prefers not to share her last name, says this is what started it all back in 1976. That's the eraser I think that I became.