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.
ترست بايلوت
منذ 3 أسابيع
منذ 4 أيام
