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and ruler are made of white polystyrene and feature handles for ease of use
Suitable for grades 4 to 8
Campus Tours: Valuable for tour guides to lead prospective students and visitors around campus
83) Spinal Cord
Legend area measure 12in x 24in
Den-Test Kit bottles-and-containers and ruler are made ofDen 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. Den Test is a science experiment which allows
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