| Modellbahn | Nominativ, Singular | nominative case, singular | |
| Modellbahn | Genitiv, Singular | genitive case, singular | |
| Modellbahn | Dativ, Singular | dative case, singular | |
| Modellbahn | Akkusativ, Singular | accusative case, singular | |
| Modellbahnen | Nominativ, Plural | nominative case, plural | |
| Modellbahnen | Genitiv, Plural | genitive case, plural | |
| Modellbahnen | Dativ, Plural | dative case, plural | |
| Modellbahnen | Akkusativ, Plural | accusative case, plural |