Smiley Face Ball never gets sad. You can toss him around, and he only gets more glad. Bounce em, throw em, roll him on the floor. Get you some today, so you can smile forever more! To turn on the impact-activated LEDs in your Smiley Face Bouncy Ball, throw it, toss it, roll it & bright lights inside will flash for about 15 seconds, then automatically shut off. Dimensions: Diameter 2.12 in. / 5.38 cm. LED Colors: Red & Blue Ball Colors: Pink, Orange, Yellow, Green, Blue, Purple. Comes ready to use with non-replaceable batteries; sealed for safety.