Congrats on the Original and the smile on your son's face! Thanks for the pics too!
I checked both manuals and the links work for me. Here's the direct download. The one is large and might take your computer time to download it depending on internet speed.
http://ccmanuals.info/pdf/O%20Chassi...e%20Manual.pdf
http://ccmanuals.info/pdf/O%20Operators%20Manual.pdf