Kendall and Kylie Jenner make a giant splash with big sis Khloe Kardashian on the Jurassic Park ride at Universal City Hollywood on Tuesday afternoon (July 5).

Joined by brother-in-law Lamar Odom, his children, and brother Rob, the group hti up the theme park before going in search of some cool drinks.

According to Kylie, via Twitter, they had a little trouble convincing Rob to join them. “Ummm @RobKardashian is trying to ditch family fun day… Tell him he has to go!” she tweeted.

10+ pics inside of Kylie and Kendall…