"How we get around our house," Kourtney captioned the vid, which also features kids Mason, 5, and Penelope, 3. Son Reign, 7 mos., is not seen.
After her recent split from Scott Disick, one of Kourtney's biggest priorities is their children. A close source revealed to People, "Kourtney will do whatever it takes to protect the kids. Her whole family is supporting and helping her."