Can't help with the space ship, but that's a great lower picture- those "rack toys" were such an important part of my childhood!
Yeah, I loved rack toys as well Andy. the bread and butter of our toy shelves. The big stuff was important but the smaller cheaper rack toys made the difference.
The red one's copied from Atalntic.H
Which Atlantic toy is it Hugh?
I can't remember off the top of my head and I'm in the library without decent Internet...but it's on the two Atlantic websites...it's the range of large 60/70mm articulated 'swoppet' figures. not the 30mm Harlok ones.H
The cyboinvader by denys fisher.
See what you mean Tony. Definitely similar although I think the design is older than 1975.