bob redell is out with a look at the charles m. schultz museum. y cool. >> the beauty about the museum, the singular topic being charles schultz but there's so much material they changed the exhibits on a regular basis. you say you change the exhibits how often? >> every three months. >> reporter: right now, you have the original comic strip work. pieces where you can see his handwriting. you have two panels here. talk about it. >> this is something charles schultz did in 1953. you can see the background, how detailed it is. it was very detailed. look at all the lines in that. >> laura, remember, there's a lot of ink on this page as well. >> do you want me to move it to the next strip? >> this is 50 years later. you can see this strip, the background isn't very detailed. his line is much more confident. he's more abstract in these pictures. in the museum you can see how his work evolved other the years. >> reporter: do you know why it evolved? >> i think he became more confident. less is more. he evolved as the strip did. >> reporter: how many orig