PRM booklet not included from september 2013
This model represents among Leonardo da Vinci's many interesting designs. It has been called Leonardo's car" but current studies ponder over it one of the primary robots in history. The gear is drawn on folio 812/r/ of the Codex Atlanticus as well as other devices. The robot's engine is hidden internally: a spring held fast by a stopping procedure trasmits motion towards gears that move the tires in sides."