COIL Cast Metal Hanayama Brainteaser Puzzle
COIL Hanayama Brainteaser is a new 2011 design in this fascinating series of tricky metal brainteasers.   COIL consists of two odd-shaped metal pieces which resemble a rectangular shape with a hole through the center when together.  The two pieces must be totally separated and then reassembled to solve the puzzle.COIL is small, pocket-size brain teaser.   Assembled the puzzle measures 1.25 x 1.25  x 1 inchRated by manufacturer as a level 3 difficulty on a scale of 1 to 6 where 1 is least challenging and 6 most challenging.  (Rating are subjective. Your experience may differ.)   Puzzle Me This a 21 year old puzzle store in Massachusetts rates this puzzle close to level 4 or 5.Comes apart and reassembles with clever movements. NO FORCE every required.   Recommended for ages 12 to 105 years.  Makes a great coffee table or desk conversation piece.