Where's friggin ball for puzzle

[Post New]by dolothegreat on Aug 8, 13 10:01 PM
I miss the hint button. I'm trying to get into the gallery on second floor of castle. Have to do a puzzle that requires 4 balls. There's only 3. Can't find the 4th.

It's NOT shown where to get it in the Walkthrough

 
 
 
 
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