This is a boat that can actually move because it is on a roller coaster piece. In this set a family is going on a boat. The parents are on the second floor eating their dinner and looking at the sunset while there son is on the bottom floor looking through a telescope. You can see how it moves because I put a photo of the inside. I built it for the lego holiday contest. I think this would make a great set because many kids like playing with sets they can interact with and in this set they have a boat which you can interact with. I attached a video. It could also make a great display set for older people or collectors. Please watch my video of the boat moving. It is in youtube. My channel is Lockdown legos. I made the youtube account just to get the youtube link and put it in here. Unfortunately it did not work.