Things That Never Seem to Change

As a compliment to the "Things that have disappeared" thread, I'm introducing this one, about those things that seem unaffected by the passage of time. I don't mean simple tools like clawhammers, but products that were new within, say, the last hundred years, and have defied change ever since. My first example:

Recently I was in the toy department of a store when I noticed a display of Silly Putty. It was sold in plastic eggs, exactly like the first Silly Putty (the brand I first...

Things That Never Seem to Change