6V,180rpm Micro DC Geared Motor spec

I bought a Arduino Robot Mobile Platform kit include Arduino Mega ATmega1280, Arduino Sensor Shield V4, Arduino Motor controller Shield L298N drive 2 motors and plus extra board. I can't find 6V,180rpm Micro DC Geared Motor spec for between + and – in motor for red wire and black wire to Arduino Motor controller Shield L298N drive 2 motors. Can you tell me please.

DC Geared Motor Motor is no mark for + and -

Arduino Robot Mobile Platform kit selling at
dicksonshamshop ebay seller

I bought a Arduino Robot Mobile Platform kit

You bought what kit from where? Links are useful, you know.

I can't find 6V,180rpm Micro DC Geared Motor spec

What spec are you looking for?