Renaissance Tank Da Vinci – Build Mechanical 3D Model. Development of the great Italian inventor, artist and scientist – Leonardo da Vinci, implemented on a smaller scale. The model provides an environmentally friendly rubber motor supplemented with a start and stop mechanism, with the help of which the tank moves as the great inventor intended. The model is designed for self-assembly without glue and will delight both children and adults. A great gift and a wonderful piece of classic interior design.