U-Nagel

Experience a challenge with "U-Nagel", a large variation of the classic twisted nail puzzle. Measuring 15 cm in length, this XL brain-teaser boasts an impressive size and sturdy construction, perfect for enthusiasts of complex twists and turns. Unlike smaller versions, this sizeable puzzle offers unparalleled playability, allowing you to fully immerse yourself in its mind-bending convolutions. Get ready to put your problem-solving skills to the test!

U-Nagel was crafted by Jean-Claude Constantin, a renowned puzzle designer and manufacturer from Germany. Constantin is known for creating a wide range of innovative wood and metal puzzles, magic tricks, and intellectual toys and games.