The Armored Car by Leonardo da Vinci
In course of preparations for the 10th anniversary of LEGO® MINDSTORMS I've rebuilt Leonardo da Vinci's Armored Car from my book "Advanced NXT: The daVinci Inventions Book" (Apress 2007) and created a movie on it:
To all readers of the book and readers to-be:
keep in mind that I maintain an accompanying web site where support stuff is hosted, in particular answers to former questions by readers (mainly concerning tricky parts of the building instructions); there's also an according section in the NXT STEP forum.
Do not hesitate to contact me in case of issues or questions you have regarding some part of the book.