Brighten up the night at home and away games with an awesome Blue #1 LED Necklace! The perfect way to cheer your team on at sporting events, these number 1 necklaces come with a high-powered LED at the top of the necklaces, illuminating the blue Number 1 and showing everyone you're proud of your school spirit! Ideal for homecoming, fundraising, school stores, parades, and other events where you want to cheer your team on in style, the 2-inch light-up blue number 1 necklace is sure to be a hit with sports fans of all ages! Your Blue Number 1 LED Necklace is sold by the piece and comes with batteries preinstalled. Replacement batteries: 2 CR1620