Den-Test is a science experiment which allows students to cultivate bacterial growth from their own teeth. See the difference in bacteria growth development from the "before brushing" and "after brushing" samples.
- Used also to illustrate bacterial growth on dirty hands, desk tops, money, etc.
- Includes 24 sterile petri dishes, 48 sterile swabs, 2 bottles agar gel and instruction manual.
- Grades 5-10.