Actually, hula hoops are quite alive and are being used for exercise classes and other things.

I wear a Seiko watch which is a chronograph -- it has an "elapsed time"   ring, a stopwatch accurate to one-one hundredth of a second, an alarm function, and a second clock face. It also supplies the date, but not the day or month or year, so I only know that today is the 4 of sometime.

I also have a half-dozen slide rules; I'm collecting varies items to make a wall box like the one described and I already have a GENUINE IBM card!

(I also have a copy of the CRC Handbook on my desk at work for quick reference. "Stand back! I've got a table of cosines here and I know how to use it!")