. "System"@en . "1991"^^ . "Trains"@en . "4515"^^ . "9.0"^^ . "4515 Straight Tracks is a Trains set released in 1991. It contains eight pieces of straight train track."@en . . . "4518"^^ . . "Straight Tracks"@en . . . . . . "4515 Straight Rails"@en . . "Trains9V"@en . "yes"@en . "8"^^ . . "4514"^^ . "4515 Straight Tracks is a Trains set released in 1991. It contains eight pieces of straight train track."@en .