What a way to start your weekend! Kim Kardashian, 39, gave her millions of fans a birds eye view of what it’s like to be a mother of four children (North, 6, Saint, 4, Chicago, 2, Psalm, 9 Mos) when she posted an adorable video of her little ones interacting with one another on Friday, March 6. The clip, which Kim called, “Morning Fort Trains,” began with the KKW Beauty founder approaching one of the those cleverly made forts.