Smart counting! You get a gold star! (Sorry, I watch WAY too much Dora the Explorer these days.)
Point is they're cheap, plentiful, and will likely never be a "collectible". Doesn't mean it's not fun to collect them though!
Remember those stupid stuffed animals called beanie babies? A buck worth of material and stuffing and people were paying thousands for some. Now a days they arent worth spit. It makes buying a house a few years ago look like a wise investment