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 3in diameter, 0.2 weight
Practi-Sodium Chloride* I.V. Solution Bag (for training), Solution Bag for clinical training, Contents: Distilled Water, simulation for your nursing, pharmacy, EMT or other allied health skills laboratories, Size: 500 mL
Practi-Dextrose Normal Saline* I.V. Solution Bag, for clinical training, simulates 500 mL IV bag of dextrose 5% in normal saline, Contents: Distilled Water, Size: 500ml
Equilateral Prism, Material: optical glass, Perfect for optical refraction experimentation, Will create a rainbow with any standard light source (led from a phone will work), Because of their educational use design, do not affect physical function, Size: 75mm lengthx25mm face size