Practi-Blood Bags (all types) (for training) Contains 1 Bag, for clinical training. Simulates 450 mL blood bag of red blood cells. Train your students to properly read a blood bag including bar-codes, blood type, spiking the bag properly
KidWind Dowel, Recommended for College, High School, and Middle School Science, Diameter: 0.25 in, Length: 5 in, used for designing and testing wind turbine blades, and they fit into the KidWind Wind Turbine Hub, D100