Get ready to challenge your mind with the Hourglass Hanayama Cast Puzzle. This metal brainteaser, brought to you by the renowned brand Hanayama, will test your problem-solving skills like never before. With a difficulty level of 6 out of 6, this puzzle is not for the faint-hearted. The intricate design and precision engineering ensure a satisfying experience as you try to unlock its secrets. Suitable for ages 11 and up, it's the perfect gift for puzzle enthusiasts or anyone looking to sharpen their cognitive abilities. Don't miss out on the chance to conquer this ultimate brain teaser!