Playdoh combines with pumpkin seeds for the kids to make their own pumpkins. Teach preschool also sets out pins of pumpkin seeds to act as sensory bins.
Good for ages 2 and up.
Get the instructions here:
http://www.teachpreschool.org/2013/10/pumpkin-seed-play-dough/
Asbury 4 makes pumpkin pie play dough and creates turkeys and pies.
Get the instructions here:
http://asbury4.blogspot.com/2013/11/pumpkin-pie-playdough-using-real-canned.html
Ria's world of ideas creates pumpkin spice playdoh.
Get the instructions here:
http://riasworldofideas.blogspot.com/2013/10/easy-pumpkin-spice-play-doh.html