Learning Resources Precision School Balance, Includes Weights, Grades 4 and up,;

Help students learn mathematical and scientific concepts with this precision balance scale. Made of high-impact plastic, it features a built-in weight case and lid, 10 brass weights (1 g–50 g), 2"H removable pans and zero adjustment knob. Total capacity = 2000 g with ±0.5 g accuracy. Each pan can hold ½ liter of liquid.