GIANTmicrobes are fun and educational way to learn about various health topics and the microscopic critters that are found in and around us. Each microbe character is 5-7 inches in size -- over a million times their actual size! Perfect for teachers, parents and budding scientists, they also make humorous gifts. Each microbe comes with an information tag including scientific name, an image of the actual microbe, and a mini history and science lesson. For children under 3 years and up.