LED Light Up Mardi Gras Beads are an electrifying way to throw down on Mardi Gras parties parades or any occasion worthy of these awesome beads. To activate your LED Light Up Beaded Necklaces remove the battery protector and press the button for 1 of 3 light modes: Flash blink and steady. NOTE: Item comes with 6 LED beads; the remaining beads are standard round Mardi Gras beads. Necklace Length: 30in. LED Light Up Mardi Gras Beads comes ready to use with 3 replaceable AG13 Batteries.