Khloe watches on as Kourtney works.

There was a bit of a hiccup in the travels as Kourtney struggles a little to get Mason’s stroller folded and put in to the car.

Khloe Kardashian carries nephew Mason Disick in his car seat as she and sister Kourtney leave their Miami hotel en route to Los Angeles.

…think she’s got it…

…a celebratory clap from Khloe as Kourtney folds the stroller.

Good work girls!