Have a light up Viking adventure and be at your Wagnerian Best when you wear this Viking Helmet with Light Up Horns! These lit horn hats are perfect for any occasion that you might want to roam or raid. Wearing a Viking Helmet with Light Up Horns will cause a stir at any event. To activate the light up horns in the helmet simply slide the button on the battery packs to ON. Each horn has its own light up switch, so light either horns or both! Each lit horn flashes red and blue LEDs.