I think this is more of a case of pre-stalgia as technically these don't even exist yet.
Even though they were even before my time, I harbor deep longings for a vintage silver tree with a rotating colored light. Swoon.
The incredible amount of aerobic exercise I got as a kid would be staggering to the children of today. Thank you, Pogo Ball!
Your kids will have no idea what that metal thing on your table is.