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Amazing Leonardo da Vinci Inventions You Can Build Yourself introduces readers to the life, world, and incredible mind of Leonardo da Vinci through hands-on building projects that explore his invention ideas. Most of Leonardo's inventions were never made in his lifetime—they remained sketches in his famous notebooks. Amazing Leonardo da Vinci Inventions You Can Build Yourself shows you how to bring these ideas to life using common household supplies.
...Planet Earth: 25 Environmental Projects You Can Build Yourself provides an engaging guide to the natural world and encourages children ages 9 and up to get their hands dirty and actively connect with the environment. It then introduces key environmental issues—wind and solar power, pollution, endangered species, global warming, and recycling—and posits potential solutions. Trivia, fun facts, and 25 captivating hands-on projects
...Once, robots were only found in science fiction books and movies. Today, robots are everywhere! They assemble massive cars and tiny computer chips. They help doctors do delicate surgery. They vacuum our houses and mow our lawns. Robot toys play with us, follow our commands, and respond to our moods. We even send robots to explore the depths of the ocean and the expanse of space. In Robotics, children ages 9 and up learn how robots affect
...Westward ho! If you travel across certain parts of the United States, you can still see wagon wheel ruts where people crossed the west in search of more opportunity and better lives more than 200 years ago! The Oregon Trail: The Journey Across the Country from Lewis and Clark to the Transcontinental Railroad offers readers ages 9 to 12 a fascinating look at the explorers and settlers who traveled this route during the westward expansion of the
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