This Miller Engineering Light Works USA Sunbeam Bread Animated Neon Billboard features realistic animated lighting. The working billboard includes assembled electronics plus a AAA battery holder that uses three cells. This smaller-sized sign is great as a small sign in HO Scale or a large sign in N Scale. Electroluminescent light sheet is paper thin and produces no heat. Complete instructions are provided.WARNING: This product can expose you to chemicals including Diethylhexl Phthalates, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov