Party on Fat Tuesday or anytime Mardi Gras fits your theme with our light up flashing Mardi Gras Dragon Tail hat. Our light up Mardi Gras Dragon Tail hat has 13 L.E.D. lights. Each Mardi Gras hat comes individually poly bagged, is sold by the piece with batteries included and installed. Please order in increments of 1 piece. Replacement batteries: 2 pieces type AG-13.