Where can you find puzzle 66 in Professor Layton and Pandora's Box?
Puzzle No 66: The Locked Box, Location: Mine Entrance. (Hidden Puzzle)
Answer = Turn the Red dial to numbers 2,7,1, and 4.
Professor Layton and the Curious Village has 135 puzzles, there is no puzzle 150 If another puzzle number was meant or the question refers to puzzle 150 in Professor Layton and the Diabolical Box (aka Pandora's Box), see the appropriate related link below for the #1 Google ranked walkthrough where you'll find all of the solutions including the weekly puzzles