Ning store 55mm Kids Have Fun Toys LED Light up Jumping Ball Color Changing Bouncing Ball Super Duper Glitter Water Ball Elastic Flashing Ball (Price for One Flashing Ball, Send Randomly) Kids have fun toys,LED color changing and flashing,very interesting! The price is for 1 ball,different design,send randomly Elastic features,when throw it to the floor or the wall,it will flash,and then stop flash by itself,kids will enjoy it! Please know: battery cannot be replaced,battery can last for a very long time,diameter:5.5cm,about 2.16inch Made of safe material,Very good gift for kids,Lights up when kids drop it and try's to throw it to the wall or the floor