Spintastics Tornado 2 Ball Bearing Pro Yoyo (green) Ball bearing professional green yoyo with long spin times. Diameter: 56mm Thickness: 27mm Weight: 60 grams Responsive yoyo with bearings that sleeps. Wakes up when you tug the string like a traditional yoyo. Designed by World Yoyo Champion Dale Oliver. Starburst response system. Ball bearing axle for super long spin times! Includes a yoyo string installed on the yoyo. Tough plastic. Take apart design. Allows you to more easily get knots from the string or change the string. Ball bearing axle means that the yoyo spins a long time to complete your favorite yoyo tricks easier