Sterile Frog Ringer's Solution, 200mL Rod Material_Stainless Steel Greatly-enlarged ovum model on a

Greatly-enlarged ovum model on a 5 x 5 inch base exposes the zona pellucida and corona radiata surrounding the cell

4-pound bench stand for small clamp and ring assemblies

the shallow apex producing minimal deviation for studying small-angle approximation in dispersion experiments

For Archimedes' principle experiments

One-gallon F-style reusable metal storage can with a threaded screw-on cap for a watertight seal

Sterile Frog Ringer's Solution, 200mL Rod Material_Stainless Steel Greatly-enlarged ovum model on aAmphibian specific 200mL of sterile Ringer's frog solution, the isotonic saline composition for amphibian physiology experiments where mammalian Ringer's would mismatch the species' tonicity needs.