Practi-Calcium Carbonate*, oral medication for clinical training. Practi-Calcium Carbonate* simulates Calcium Carbonate 600 mg tablets, a dietary supplement used when the amount of calcium taken in the diet is not sufficient, size: Bottle of 100
KidWind 2V/400mA Solar Panel, C0034, for demonstrations and experiments. External screw terminals and attached clip cords make the panels easy to use, Dimensions: 62 mm x120 mm