. "1981"^^ . . . . "7 Train Signal with Ties was released in 1981. A Service Packs set for Trains, it contained two Train direction switches, a red Train signal post, and a 4.5V signal circuit-breaker bar."@en . "7"^^ . "4"^^ . . "Service Packs"@en . . "Trains"@en . "Train Signal with Ties"@en . "Service PacksTrains4.5V"@en . . . . . . . "7 Train Signal with Ties was released in 1981. A Service Packs set for Trains, it contained two Train direction switches, a red Train signal post, and a 4.5V signal circuit-breaker bar."@en . "System"@en . "7 Train Signal with Ties"@en .