An invention is the creation of something that didn't exist before. It can be a simple gadget, a novel process, a new material, or a complex machine. It requires creativity and imagination to be an inventor.
People invent for a variety of reasons.
Some invent in order to meet basic human needs. Other invent to fulfill their own creative desires. Inventions play a part in our daily lives by profiding us with the things we need to live comfortably and healityly or by saving us precious time and effort as we carry out our daily tasks. Sample some of the following activities to learn more about inventions and inventors. Take the opportunity to get to know Leonardo da Vinci.