Leonardo da Vinci Siege Machine circa 1480

Italian Renaissance genius Leonardo da Vinci had many different interests - art, anatomy, science, invention. Showcase da Vinci's engineer side with any of these gifts featuring his infamous drawing of a "Siege Machine" circa 1480. Historical military enthusiasts will enjoy any of these vintage drawing gifts featuring the lesser known contribution of da Vinci to field of warcraft / defense!

Microprocessor An Expression Of Human Potential

Showcase your wry Silicon Valley attitude toward the microchip with any of these gifts featuring a stylized microprocessor along with the following saying that many will agree with: "Microprocessor An Expression Of Human Potential". Geek humor fun for anyone who knows about the contribution of the microprocessor to society!

Tesla Money Invested In Experiments Quote

Too much is made about money in our society. Showcase your attitude toward invention and discovery with this wireless genius Nikola Tesla quote on any of these gifts. Quote says: "Money does not represent such a value as men have placed upon it. All my money has been invested into experiments with which I have made new discoveries enabling mankind to have a little easier life." Gifts for all inventors, scientists, engineers, and those who wish to improve humanity and let others have a little easier life!

Do As I Say Not As I Do (Yellow Diamond Warning Sign)

Showcase your wry attitude toward imitation with a dose of signage humor with any of these gifts featuring the yellow diamond warning sign along with the truism saying "Do As I Say Not As I Do".