What exactly is a robot, and how is it different from a toy or a machine? In this fascinating first guide, you’ll explore what makes something truly robotic, the mix of parts, power, and programming that lets robots move, sense, and follow instructions all on their own. Discover how robots can look like people, animals, or even tiny insects, and how each one is designed to do special kinds of work. You’ll find out what every robot needs to come alive. A body, a brain, and the ability to respond to the world around it.