KINGOU 4 Pack Classical Wooden Puzzle Set Solution Rope Central Brain Teaser for Adults Game 4 Pack 3D Wooden Rope Puzzles Set. If you can get the point , it is easy to take the rope apart. Difficulty Rated: Tips: paper instructions and video link QR code is prepared, but in order to make it challenging and fun, we suggest you try your best to take out the wooden rings without instruction. If any question, please contact us. Ideal toys for friends gathering game, family interaction, reduced pressure and relax after work and so on. Fit for adult and age 5 & up children. 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.