Make your own model medieval castle -- a learning activity that teaches about history, feudalism and life in the Middle Ages.
Shields, Knights and Heraldry
Free educational software. Build your own medieval castle, complete with towers, gatehouse and keep. To understand how an army lay siege to a castle, how a castle was defended, or what it might be like to live in a castle (though this varied by who you were) -- build a model castle.
Build a Medieval Castle