Graduated Cylinders, Material: Borosilicate glass with Plastic base, Volume: 50 ml, Graduation Interval: 1 ml, Tolerance: +/- 0.5ml, Double metric scale, calibrated to contain, with pour spouts. All cylinders come with bumper guards.
Heart and Lung kit, learn about the basic anatomy of the circulatory and respiratory systems by measuring lung volume, making heart and lung models, and designing a working stethoscope, great introduction to the world of human physiology