Equilateral Prism, Material: Acrylic, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (even in room light) by using the simple led light of a smart phone, User will need to create a small slit in a black piece of paper, Size: 3in Hx1in W
Preserved Bullfrog Plain Preserved, Injection Type: Uninjected, Preservative: Formalin, Amphibian anatomy, General dissection, High quality preservation, larger study specimen for students to learn vertebrate anatomy, internal organs, Size: 6 to 7in