For the old folks, those videos we grew up on mixed in between Godzilla and My Little Pony. For the young folks, this is what education looked like back in the 70s and 80s.
http://www.youtube.com/watch?v=AhdmDDBjco0
http://www.youtube.com/watch?v=p0LmYEjXNIg
http://www.youtube.com/watch?v=CvH7ySQi37E
Can you imagine them making cartoons like this these days?