With each flip of a card, discover something every kid needs to know. How long is the Amazon River? Who was the first president to have a telephone in the White House? With Smithsonian Everything You Need to Know: Grades 4-5, kids will learn exciting and fascinating facts about the U.S. presidents, weather, outer space, and much more. Each of the 275 tabbed fact cards includes colorful photos and illustrations paired with interesting facts. Whether it's Abraham Lincoln or tornadoes, each fact card presents a new learning moment. Curious kids will learn about the world around them, past and present, in this loaded fact card box.