Object of the Game

Stack all 20 puzzle pieces to create 5 layers so that you can see clearly through four holes.
In addition, there are more than 700 unique hole patterns to complete to keep you
puzzling for hours on end.
Unlike other packing puzzles there are so many challenges to complete it would be almost impossible to memorise every solution.
 
Difficulty: Varies from easy to extremely difficult.
Recommended age: 8 Years to Adult.