The was a Poppins "carousel" dark ride that Tony Baxter designed way back in the 70's or 80's with a really unique ride system which I believe might be what
@shiekra38 is talking about. Something in this space would not be anywhere near that elaborate though. There isn't enough space.
It's all very tight lipped and i'm sure a carousel is one of the proposals, but there are also forms of dark rides being considered too. Brave was to be be a dark ride. With the change of IP, it's unknown if the ride system will remain as it was.