5. Specifications: 1, Weight (Approx.): 2.6 oz (73 g), Diameter (Approx.): 2.4 inches (60 mm), Thickness (Approx.): 0.4 inches (11 mm), Rotation Time: 2 - 5 minutes, 5, Material: Copper, 6, Bearing Method: Ball Type 7, Target Target Use: Adult and children 12 years old 6, Purgage Contents: 1, Finger Spinner x 1.