The Leonardo da Vinci Bicycle Miniature is a working re-creation of his 15th Century design The incredible bicycle image was discovered hidden in the Codex of Atlanticus folio of Leonardo’s drawings and writings. It is regarded by scholars as a drawing by one of his students, likely based on lost drawing by Leonardo. It is a testimony to his inventiveness that he designed a bicycle 300 years before anyone was even thinking of self-propelled two-wheel transport!