http://www.enchantedlearning.com/crafts/halloween/string/
http://www.enchantedlearning.com/crafts/halloween/papermachejack/
http://rachaelrabbit.blogspot.com/2008/10/tutorial-simple-patchwork-pumpkins-and.html
http://www.shop.montessoriprintshop.com/Autumn-3-Part-Cards-CCF-32.htm
http://www.shop.montessoriprintshop.com/Pumpkin-Nomenclature-Cards-NF-26a.htm