Luke Bryan and his wife Caroline recently celebrated son Tate’s eighth birthday on Aug. 11, and the party included a homemade slip-n-slide.

Both Luke and Caroline shared videos of their tandem slide as they were dragged along a wet tarp on a shark-shaped raft by a tractor.

Check it out below:

That dorsal fin went into places it never should go. Ever! 😳 #tateturns8 #socountryithurts @lukebryan @framigosperfecto

A post shared by Caroline Bryan (@linabryan3) on Aug 12, 2018 at 10:41am PDT