The scientific genius of leonardo da vinci is brought to life through this articulated model. The invention that inspired this snaptogether replica is taken from the pages of da vinci’s priceless and aweinspiring notebooks. This model is made of plastic snaps together and requires no special tools. The manual is very educational and teachs how this invention has evolved into what it is today. Leonardo da vinci’s armored car was the precursor to the modernday tank. Da vinci’s design was capable of multidirectional movement and was equipped with cannons that were arranged in a 360degree firing range around its circumference. No batteries required.