Meet the incredible machines that can work, think, talk, dance, and even play. Did you know that there are robots built so incredibly small that they can actually swim right inside your bloodstream? Or that some heavy-duty robots are designed to travel deep into the fiery, boiling insides of active volcanoes where humans could never survive? Discover the wild variety of shapes, sizes, and bright colors that modern robots come in, and explore the mind-blowing tasks they are programmed to complete. You will ignite your scientific curiosity with fascinating facts and hands-on activities that you can try immediately. By simply thinking about the exact steps required to build your favorite sandwich, you will soon realize that you are thinking exactly like a professional robot programmer. Packed with intriguing information and great photos, this book helps you grasp the big scientific ideas that are completely changing the way we see the world.