I used to play with these all the time when I was a kid. I'd line the ships up and make little fleets.
So did I, though in partnership with my action figures, so that I could jump from interior to exterior
I always wanted to get the Enterprise
-A, then in the later releases all the really cool looking alien ships and the Pasteur
, but unfortunately I never could find them. I would get them from eBay, but they're stupidly expensive for a toy so I'll just live with my happy memories.