Super Sized Air Bounce Ball with Flashing LEDs is large & in charge! Throw them, bounce them, catch them or give these Flashing Balls out as party favors - they're a sure hit with kids AND adults. Super Sized Air Bounce Ball with Flashing LEDs is a simple yet guaranteed good time. To activate the LEDs in your Bouncy Ball, just throw it down on a hard surface. Bright lights will flash for about 15 seconds, then shut off automatically. Super Sized Bounce Ball with Flashing LEDs come ready to use with non-replaceable batteries.