Delta Education Sedimentation Demonstration featuring 10-1/2 in. height with a diameter of 1 in. is a uniquely designed, completely sealed earth science teaching aid containing water and a variety of soil types. 100% Reusable sedimentator which is a mess-free plastic see-through demonstration tube allows the students to observe and understand the soil sedimentation process. Sedimentator is also included with student and teacher guides.
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Hace 2 semanas
Hace 1 semana
