If you can get the point , it is easy to take the rope apart. Difficulty Rated: Ideal toys for friends gathering game, family interaction, reduced pressure and relax after work and so on. These mental puzzle toys will challenge your intellect by stimulating amazing creativity. It requires careful observation and thinking, analyze its internal structure when assembling. Our mind puzzle help to exercise brain, develop intelligence, improve problem-solving ability. Specification: 1. Name: The Eye of God Challenge: Remove the ring from the pillar and try to get it back. Seller Conclusion It is very difficult even you look at the instruction, however, I will send you the video of the link. Difficulty Rated: 2. Name: Three Pillar Challenge: Remove the ring and then try to install it . Seller ConclusionIt is difficult, but if you get the point, it becomes very easy. Difficulty Rated: 3. Name: Pillar of Escape Challenge: Remove the ring, and then install it . Seller ConclusionEasy. Difficulty Rated: 4. Name: Threading Challenge: Rescue the ball, and then reduction. Seller Conclusion It is a very classic puzzle. Difficulty Rated: