The East West Distributing Co. 897059 C-7 1/2 Four Solid Color Replacement Bulbs are high-quality model train bulbs designed for adult collectors aged 17 years and up. These replacement bulbs are ideal for model railroads and trains enthusiasts looking to enhance their display with vibrant solid colors. With the trusted brand of East West Distributing Co., these NOS (New Old Stock) bulbs are sure to provide a realistic and visually appealing lighting solution for your model train layout.