Here are some of the vehicles that have puzzled me since I saw them when I was a kid:

http://www.matchbox1-75.com/images/1971/1971_22.jpg

http://www.matchbox1-75.com/images/1973/1973_37.jpg

http://www.matchbox1-75.com/images/1973/1973_39.jpg

http://www.matchbox1-75.com/images/1973/1973_46.jpg

http://www.matchbox1-75.com/images/1973/1973_58.jpg

http://www.matchbox1-75.com/images/1973/1973_61.jpg

http://www.matchbox1-75.com/images/1973/1973_63.jpg

http://www.matchbox1-75.com/images/1973/1973_74.jpg

Now, is there any chance that any of these vehicles are based on real models?