The Mixed Athearn 40’ Box Cars in HO scale are assembled plastic model kits featuring a variety of colorful corporate roadnames. These limited edition box cars are 6 inches long, 2 inches high, and 1.4 inches wide, weighing 0.5 lb. They operate on a two-rail analog system and are designed for ages 8-11 years old. Made by Athearn in the United States, these kits offer a fun transportation-themed project for model railroad enthusiasts to paint and customize. These kits are used, old stock in excellent condition. The boxes are in very good to excellent condition.