These golden viking style helmets feature bright flashing horns with alternating flashing red and blue led lights these viking horn helmets are a great party hat with giant flashing hornsr r easy to assemble just slip each horn through the hole in the helmet and push firmly into placer red and blue horned viking helmets colours may varyflashing red and blue led lights in each horn56cm circumference helmetlarge 17cm viking valkyrie horns6 x ag13 batteries included