The Life Like 31518 HO Proto 2000 B&O 50 Ton War Emergency Hopper #733183 Car Kit is a detailed model train hopper car designed for enthusiasts aged 17 years and up. Made by Life Like in HO scale, this car kit allows for the construction of a realistic replica of a B&O 50 ton war emergency hopper. With its intricate design and high level of accuracy, this model train car is perfect for collectors and hobbyists looking to expand their model railroad layout with a piece of history.