SMARTY PANTS _ Tavern Puzzles Heavy Metal Disentanglement-Style Brain Teaser Old fashioned heavy metal brain teaser disentanglement puzzles. New 2012 design. Objective of Smarty Pants is to remove the large 2.5" diameter ring which is found hanging towards the bottom of the puzzle. Double click on image for enlarged view. Replacing the ring to the starting position is equally as challenging. Rated as a level 2 "Intermediate/Challenging" (on a scale of 1 to 4). On this scale both level 3 and 4 are very challenging. New 2012 design. Blacksmith Puzzles hand forged here in the United States of America. Bagged then boxed with solution.