5-Piece Brain Teaser Ring Set, Brain Toy, Difficulty Level 6-2, Ring Puzzle, Mystery Solving, Time Killer

[Puzzle Ring Set] This set includes five stainless steel puzzle toys. Each puzzle features five different themes: Key, Magic Box, Waves, Labyrinth, and Octagonal Secret Box. Experience the five puzzles at varying levels of difficulty. [Train Your Mind and Hands] Playing with puzzle rings requires concentration and thinking skills, making them ideal for children's intellectual development, as well as a great way to pass the time and exercise your brain. Solving these intricately tangled puzzles requires the ability to consider things from multiple angles, so the more you play, the more your child will develop their imagination, thinking skills, and manual dexterity. [Improve Your Skills While Having Fun] Solving complex puzzles not only improves manual dexterity, but also stimulates the brain. Repeated challenges also help develop important skills like concentration, problem-solving, and perseverance. [Reliable Durability] Made with high-quality materials, these puzzles are rust- and corrosion-resistant, ensuring peace of mind even after extended play, without worrying about deterioration or damage. [Enjoy anytime, anywhere] Its compact pocket size makes it easy to carry, allowing you to make effective use of your free time, such as while commuting to work or school, or waiting while out and about.