The Runaway Plastics - Where Do They Go?

Why is it that no matter how often or how recently you tidy your plastics cupboard, the number of containers and the number of lids never seem to match?  I would like to declare that my plastics cupboard is tidied often, but that would be a big fat fib. It is only when I reach the stage of sheer frustration of not being able to close the cupboard, or find a lid, or find the right size container, that I empty the whole cupboard out and begin to play the frustrating game that is "Find The Matching Lid!" It sounds an exciting game, especially when you say it just like a Game Show Host, and it was exciting when the Teens were Toddlers. But it's not an exciting game at all. The Teens now just look at me, roll their eyes and go back to doing what they were doing,  leaving me to play "Find The Matching  Lid!" on my own.

How is it possible that even though bases and lids tallied up in the last tidy up and the cupboard closed effortlessly, that suddenly numerous lids don't have bases and vice versa? It's always been my policy - if it doesn't have a matching base, or there's no lid, it doesn't go back into the cupboard. It goes, instead to a new home courtesy of Vinnies. For whatever reason, this policy isn't working, as I now have bases without lids and lids without bases. Again. Sigh. I do try to maintain some kind of order, but really, it's to no avail. That and the fact there's more to life than balancing the plastics cupboard with the precision of a trust accountant.

I have a theory as to why I'll never balance the number of plastic bases and lids in my kitchen cupboards. I think that some of the sneakier lids and/or bases (as they're just as capable), manage to run off with those single sneaky socks. Those same sneaky socks that leave you with useless matchless single socks that accumulate with each load of washing. (FYI: We currently stand at one shopping bag full of variously coloured single socks).

I'd like to know whether you have this same problem of mis-matched plastics in your kitchen. How do you solve it? Do you have a better solution? Do you perform roll call each day before the situation really gets out of hand; these plastic containers are quite expensive, after all. Where do you think the runaway plastic goes to? And why is it that even though you have less than what you started with, after a week, you're back to not being able to close the cupboard? Sigh.