The K-Line 1990 Limited Edition Proctor & Gamble Train Set is a model train set designed for collectors aged 17 years and up. It is in O gauge, indicating a larger scale size suitable for display purposes. This pre-built train set by K-Line features Proctor & Gamble branding, making it a unique and limited edition piece for enthusiasts of model railroads and trains. The set appears to be New In Box (NIB), suggesting that it has not been opened or used, adding to its potential value for collectors. The boxes show minimal signs of age and trains appear to be in excellent condition.