Glitter Baby Balls, Ning store LED Light Bouncy Balls Jumping Ball Flashing Water Ball,Color Changing, 55mm Order will be shipped within two days, arrived at about 7 to 10 days. Baby toddler like plays with it most,bouncing,throwing and chasing. There are a little fish inside the ball,swimming around,baby likes to watch the cute fish for a long time. The ball was very safe when playing,bounce it hard on the wall or floor,even bite it,everything goes ok. This ball can light up and change in different colors,especially in dark,it shining with bright colors. It works by a button battery inside,can hold for a long time in normal.