Quantity: 100 assorted gears,24 different designs or colors, 2 each of 4 gears (diameter 40mm). 7.7 ounces;Size: range from 3/8 inches to 1 1/2 inches (10~40mm) in diameter, 1.5~3mm thick,;Material: Made of Zinc Alloy free of lead and cadmium.;Color: Antique Bronze, Antique Golden, Antique Silver and Red Copper;Hand sorted and packaged.