Mrs. Moo's classroom welcomes a very special guest to teach them all about germs and why they should wash their hands! Now Wash Your Hands! features a singsong text, an adorable classroom of animals, and a focus on personal hygiene. The perfect book for teaching little ones about germs and the effectiveness of hand washing at preventing the spread of disease .Ideal for classroom story time and family sharing. PreK- Grade 1. Paperback.