Stretch Armstrong I used to put mine in the fridge so he could be used as a solid action figure to battle Action Man...
Six Million Dollar Man Had the rocket too! Complete with tubes to plug into his bionics and a mock x-ray device!
Yep, it was a tri-fold thing and once he was in there and shut up he couldn't move a millimetre :)
Steer-n-go ...also used to put it together with Chutes Away to bomb the car! ;)
Steer-n-go I had one of these too and it was great. I also had some sort of magic driving game that used small plastic gars and these fitted much better on the Steer-n-Go, they were a lot smaller and the landscape was a better scale for them to drive around.
The reverse action of the set meant that I could drive around the little hills (which now were mountains) and come back the other way and stop by the water feature...!