Their lives may have its ups and downs, but nothing like THIS!
While their day at the happiest place on Earth was filled with kid-appropriate activities, the two sisters also sought out something more thriling!
As seen on the 37-year-old's Snapchat, Kourt and Kimmy went on the Tower of Terror ride which drops up to 183 feet!
According to Saint West's mommy, it was Mason Disick's idea to go on the scary attraction!
The KUWTK star said