I found a great site. It is called http://Instructables.com . On this great site where you can find instructions to make so many interesting things I came across this ----
http://www.instructables.com/id/Agreeable-Sheep-Mk-III/ A free download.
It is from a great site where they sell Paper Models that kids will LOVE to make. (and you too)
http://www.robives.com/ Note that some prices seem to be in British Pounds.
Also try my Papercraft site for paper projects including Paper Beads and Rolled Paper items. A Paper Bead Rolling Machine and more.http:papercraftsite.com
Have a GREAT day and play around with Paper.