Play Visions introduces Pulse FX, which utilizes a new technology in LEDs. With a slight impact, the lights turn on, and then quickly fade to nothing within 1-2 seconds. This fading light crescendo produces a visual effect that makes a big impact! Instant flash Maraca with sound effects. Manufacturer's Recommended Age: 5+. Includes: (3) AG3/LR41 1.5V button cell batteries. Pulse FX Maraca, PV282, 282.