Challenge yourself with the Cast ABC metal puzzle, a intricately designed 3D puzzle that will put your problem solving skills to the test. This beautifully crafted puzzle is a unique gift for anyone who loves brain teasers and metal mechanical puzzles. From Hanayama Huzzle, this puzzle requires you to remove the letter C from being interlocked with the letters A and B. Take the wrong route and you'll hit a dead end. Originating with a piece created in England in 1911, this little gem has a long history. It's perfect for anyone starting out down the path of a puzzler. Product Details Material: High-quality metal. Difficulty level: Easy, 5/10. Recommended for ages: 10+. Ideal For Gifts for him or her. Puzzle lovers and enthusiasts. Unique gift for a friend or family member. Slightly challenging puzzle for children (10+) or adults. Mechanical puzzle enthusiasts. A fun puzzle for a special occasion, such as birthdays or Christmas. Brain teaser, 3D metal puzzle enthusiasts. Problem solving enthusiasts. Adults looking for a fun and challenging hobby. Those who enjoy logical reasoning, critical thinking and problem solving. Note: Our level rating system is different than Hanayama's. Hanayama's level 1 is equivalent to our level 5, their level 6 is equivalent to our level 10.