Build a Medieval Castle -  http://www.yourchildlearns.com/castle.htm a simple construction

Castle of King Edward - http://www.castles.org/Kids_Section/ details for investigation and research

Castles, Kings and Royal Tales - http://www.coreknowledge.org/CKproto2/resrcs/lessons/12KCastles.pdf a 27-pg. pdf file to download; unit plans

Castles of the World - http://www.castles.org/ research by country on the left hand side

Castles Lesson Plans - http://www.dickblick.com/lessonplans/castles/ Classroom activities

Castles on the Web - http://www.castlesontheweb.com/index.html Excellent research links

Cybersleuth Kids: Castles - http://cybersleuth-kids.com/sleuth/History/Medieval/Medieval_Castles/ Links to lesson ideas

Days at Frog and Toads: Castles - http://myschoolonline.com/folder/0,1872,2123-126557-2-45077,00.html excellent links for this unit

Enchanted Learning: Kings, Queens, Castles - http://www.enchantedlearning.com/themes/castle.shtml a few printables

Life in a Medieval Castle - http://www.castlewales.com/life.html excellent detail for research

Littlest Knight Online Story - http://www.pacificnet.net/~cmoore/lk/index.htm an online text with images story

National Geographic Castles - http://www.nationalgeographic.com/features/97/castles/enter.html research

PBS: Castles - http://www.pbs.org/wgbh/nova/lostempires/trebuchet/ fun, interactive site  that introduces what it was like to live in a castle during the Middle Ages. You can watch the building of a trebuchet, a deadly war machine, and then build and fire your own virtual trebuchet.

Preschool Themes: Castles - http://www.perpetualpreschool.com/preschool_themes/castles/theme.htm A few teacher suggested ideas

ProTeacher: Castles - http://www.proteacher.com/090074.shtml Links for lesson plans

Shields, Knights and Heraldry - http://www.yourchildlearns.com/heraldry.htm for research

Tower of London Kids Tour - http://www.toweroflondontour.com/kids/ Reginald Raven gives a text tour of the Tower