|Bacteria: Friends or Enemies? DVD
Learn the possibilities and limitation of clay by molding, rolling, squeezing and stretching it.
|3 - 8||DVD||$59.95|
|Germs & Disease DVD
This program serves as an outstanding health primer that clearly explains the most important facts children should know about germs and disease.
|K - 2||DVD||$49.95|
|Bacteria, Viruses & Allergies DVD
What do salmonella, wasp venom, and the flu have in common? They all cause our immune systems to spring into action.
|3 - 5||DVD||$59.95|
|Simple Organisms: Bacteria DVD
Outlines the structures characteristic of bacteria and the distinguishing features by which they are classified.
|6 - 12||DVD||$74.95|
|Bacteria and Health DVD
This film teaches that some bacteria are useful in the body, but others are harmful.
|4 - 8||DVD||$49.95|
|Bacteria DVD Set of 2
Save with this best-selling 2-pack of Understanding: Bacteria and Understanding: Viruses.
|6 - 12||DVD||$89.95|