Practi Vial* (for training), filled with 5 mL of distilled water and is safe for use with Manikins. Practi-5 mL vial is a simulated version of the vials often used in nursing, EMS and pharm tech programs, Vial handling techniques, Aseptic aspiration, Size: 5ml
Equilateral Prisms 3pc set, 1in, 2in, and 4in lengths, Material: Acrylic, Each prism is individually wrapped to protect it Will create a rainbow with any standard light source (phone will work) -- use a dark piece of paper with a 1-2mm slit, Size: 25mm face size