Image Item No. Description  4515-1 (Inv)  Straight Rails 8 Parts, 1991 Catalog: Sets: Train: Supplemental: 9V  4519-1 (Inv)  Rail Crossing 1 Part, 1999 Catalog: Sets: Train: Supplemental: 9V  4520-1 (Inv)  Curved Rails 8 Parts, 1991 Catalog: Sets: Train: Supplemental: 9V  7936-1 (Inv)  Level Crossing 138 Parts, 1 Minifigure, 2010 Catalog: Sets: Train: RC Train