compatible

I’m looking at this locomotive, car hopper and caboose. Locomotive http://www.westerndepot.com/product_info.php/products_id/16236 Coal Hopper http://www.ebay.com/itm/like/252101538245?ul_noapp=true&chn=ps&lpid=82 Caboose http://www.westerndepot.com/product_info.php/products_id/2459 Will the...