I was working on this a while back and can't recall if I already posted it. Sorry if I did but there are a few updates.
All of these bikes we have or had and do/did get ridden.
The Cat In The Hat is an original factory bike it's just not old.
The bike with the levers is an older Alenax http://www.alenax.com/ they started making then again now with the ability to pedal also.