A prototype is a prototype— and when it’s got so many first of its kind features it could be any one of them that’s the problem. Do we know the manufacturer? Is it a company who built something like this before? Essentially I assume it’s a teacups base with carousel figures that rise and lower from below? Each concept is simple, but making them work together may be the issue.
Just imagine if they had gone with the original concept with the figures going on and off the turntable…