Many inventions of the 21st century have changed the way people live their lives. This series highlights these great inventions and prompts students to see how their own lives have been changed because of them. Books provide a basic look at the technology behind each invention, discuss what people used before the product was invented, and examine the impact of the invention. This book introduces readers to the developing technology of 3-D printers, including a wide range of examples and a look to the technology's future. Vivid photographs and easy-to-read text aid comprehension for early readers. Features include a table of contents, an infographic, fun facts, Making Connections questions, a glossary, and an index. QR Codes in the book give readers access to book-specific resources to further their learning. AGES: 6 to 7
