The World's Greatest Cardboard Castle is complete

This castle is completely made out of cardboard but.... I have added a whole lot of special effects to it including:
Colored Lights
A motor for a working drawbridge
A motor for a working portcullis
Music - inside the Cathedral
Servos that open and close the cathedral doors
And a catapult that rotates and fires

You are only limited by your imagination when it comes to making things.