Get ready to unravel the mysteries of the mind with Yin Yang by Project Genius. This intriguing metal brainteaser will challenge your problem-solving skills like never before. With a difficulty level of 3 out of 4, it's perfect for puzzle enthusiasts looking for a new challenge. The unique assembly and disentanglement design will keep you engaged for hours as you try to separate the intricate metal pieces. Not only is Yin Yang a brain teaser, but it's also a stylish conversation starter with its sleek and modern design. Add some excitement to your collection and put your mental abilities to the test with Yin Yang.