Robuta

https://www.innersophist.com/plus/books/leonardo-da-vinci-artist-inventor-explorer-coloring-book/leonardo-da-vinci-building-the-giant-crossbow Leonardo da Vinci Giant Crossbow Coloring Page Color Leonardo da Vinci in his Renaissance workshop assembling his giant crossbow invention. Printable history and engineering coloring sheet. leonardo da vincigiant crossbowcoloring page