This amazing 125-piece puzzle — nicknamed “The Intimidator” — by Michigan-based machinist GarE Maxton is a puzzle not meant for kids or as an airplane carry on.

His masterpiece features 20+ pieces that combine to form a fully-functional single-fire pistol. Other parts of the puzzle separately and securely store “a customized set of tools, all necessary hardware, 45 caliber bullets, a standard sight, a laser sight, a cannister containing black powder pellets, a secure storage area for 209 shotgun primers, a spent primer removal tool and a ramrod for loading the bullets.”

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Source: GarE Maxton