. . . "System"@en . . "29"^^ . . . "514"^^ . "513 Building Set was a DUPLO set released in 1970. It contained 29 pieces."@en . . "yes"@en . "1970"^^ . "yes"@en . "513 Building Set"@en . . "513"^^ . "512"^^ . "yes"@en . "513 Building Set was a DUPLO set released in 1970. It contained 29 pieces."@en . "DUPLO"@en . "Building Set"@en . . .