The Lionel 6-02920 SMOKE FLUID is a 0.3oz bottle specifically designed for adding smoke to steam locomotives in O and all gauge/scale model railroads. Made by the brand Lionel in the United States, this smoke fluid comes with a traction band for easy application. Perfect for enhancing the realism and authenticity of steam locomotives in model train layouts, this product is a must-have for hobbyists and collectors looking to add a touch of smoke to their train sets.