SpongeBob SquarePants: Battle For Bikini Bottom Rehydrated Rolling Ball Puzzle Solution in Mermalair This is the Rolling Ball puzzle in the Mermalair level stage. This video shows the solution on how to complete it which when completing gives you the "Keep it Rolling" trophy/achievement. Please like & subscribe to my channel and stay tuned for more gameplay/walkthrough videos and more! :) Twitch: twitch.tv/rogueacegaming @rogueacegaming