This set of two Glass Bottle Brain Teaser Puzzles offers a fun and challenging disentanglement experience for adults who love problem-solving. Designed to test patience and creativity, these bottled frustration puzzles require careful thinking to solve. Perfect as a unique Valentine’s gift or a fun present for men and women, these puzzles provide hours of engaging entertainment. Ideal for puzzle enthusiasts, they make a great addition to any collection of assembly and logic-based challenges.