Exo Terra Cricket Pen Large, Complete cricket care kit, Removable, well-ventilated lid, Easy cricket dispenser, Includes cricket food dish and water bowl, Makes cricket feeding neat & tidy, tubes remain in positio
Refill TapWater Tour, Classroom investigation of how and why the characteristics of tap water can vary and affect everyday activities, Background information, test materials included for pH, chlorine, hardness, copper, iron, With Instructor, Student Manuals
Laser Diffraction Kit, lets students create, view, and measure diffraction and interference patterns, kit includes two laser pointers-red and green - along with a convenient mounting base and a slide set of diffraction objects
Leukemia Lesson Kit, 4 Leukemia-related petriscope models, lesson plan, consumables for 20 students, Help students grasp concepts in blood-cell biology and diseases, Unique Method for Teaching Hematology, Reusable Components
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 250 mm focal length, Lens measures 1.5in diameter, 0.2 weight