The Cube Puzzle will be your favorite puzzle to hate.  Seems simple.  6 pieces.  Put them back in the box.  Looks so simple, but you won't want to put it down until it is solved.  
 
CAUTION:  Customers have lost sleep when trying to solve this puzzle.   
CAUTION:  Do not throw the product against the wall to try and disassemble the pieces.  Do not saw apart the pieces.  Just simply assemble the 6 pieces to form a 3x3 cube.
 
Just remember, it is only 6 pieces!
 
Approximate size:  3 inches X 3 inches X 3 inches
Colors of cubes will vary.