Developed in collaboration with the National Museum of Civil War Medicine, this memorable gift box features five nasty microbes that played a giant role in the American Civil War fought between the Union and the Confederacy. This educational 5-piece pack includes these mini microbes with key chain clips: Dysentery, Typhoid Fever, Measles, Malaria and Pus (representing lethal infections). Fun hands-on way to learn about science, medicine, health, and history. Includes educational information on the back of the box! This is a wonderful gift for lovers of science, history and health, as well as Civil War buffs and anyone who wants to learn about microbes impact on humanity. A great reminder to learn from the past to solve problems that improve the future. Clip them onto your backpack, luggage, keys and anywhere you go! Includes 5 microbe key chains measuring 3" each.