Noticed that as my ball made its way into the castle, it was occasionally getting rejected. Couldn't see what was causing it during gameplay, so I took it apart and found a couple of issues.
Here's the first. The floor decal piece has raised up on one corner, and the ball catches this edge causing rejects.
Wondering if I should try to take it out and bend it back into position, or if I should be looking to get a new part?