This activity book is great for educating young children on germs. The goal is to explain how germs spread and what you can do to stay healthy.
Final project-- Germ craft based on a kids book, Germs by Ross Collins. This is great for teaching kids how germs are spread.
Icky Germs Craft For Kids
Kid Color Pages: A Sick Day and Spreading Germs - Germ Coloring Pages