Tenyo Heptamond Brain Block Permanent Puzzle Difficulty 5 LEVEL5 Advanced Level Otherworldly Over 100000 Combinations Stretch TBB-05 Just taking out

Product Introduction: The everlasting puzzle, Brain Block Tenyo, completely renews the bestselling boxed puzzle "Pura Puzzle." The name is "Brain Block." It is a puzzle where beautiful transparent pieces composed of a three-color gradient fit into a case. Despite having hundreds to thousands of possible solutions, reaching just one specific pattern is a challenging feat. Each time you play, the solution changes, allowing for endless play. You can lose track of time while being absorbed in it, stretching parts of your brain that are usually not used. Safety Warning: None Difficulty: 5 (over 100,000 combinations) Recommended Age: 6 years and up