Toysmith NightZone Light up Sports Flash Back Rebound Ball (Sold Individually - Colors Vary) (2-Pack) Our popular rebound balls now in a cool flashing light up design! Wrap the cuff on your wrist and catch the ball as it rebounds on the 50 inch long elastic cord The 3 inch diameter bumpy ball lights up when bounced Play catch by strapping the cuff on your wrist and tossing the ball Colors are assorted