This helicopter-like top originated in Jin dynasty China around 320 AD https://en.wikipedia.org/wiki/Bamboo-copter https://en.wikipedia.org/wiki/Bamboo-copter

This helicopter-like top originated in Jin dynasty China around 320 AD https://en.wikipedia.org/wiki/Bamboo-copter https://en.wikipedia.org/wiki/Bamboo-copter Edit: This Chinese helicopter toy was introduced into Europe and "made its earliest appearances in Renaissance European paintings and in the drawings of Leonardo da Vinci."