Animated Dental Supply Billboard! 3.7” wide x 2.5" tall. Designed for HO Scale, but will work just fine on O scale! Includes: Specially designed power supply. Requires: Three (3) AAA batteries (not included.) Click on picture for animation! 1 Each Dental Supply ELTABDSRetail: $32.99Our Price: $29.99 Copyright © 2003-2009 E-Clec-Tech. All rights reserved. All other materials and logos are copyrighted by their respective owners, or companies.