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 شهر
منذ يوم واحد
منذ شهر
منذ أسبوعين
