Key features

• •[Fun & Educational]: The ancient Ring Puzzle Game originates The idea of this puzzle game. The brain teaser puzzles can be pulled apart with skills to obtain two independent metal pieces (cannot be forced apart). It is fun and practice players' creative thinking, patience, and concentration.
• •[More Challenging]: These brain teasers are designed explicitly with more complicated solutions, which brings you much more challenging fun than primary ones. 12 hard metal puzzles come with a dedicated solution for each one, enjoy the 12 brainstorms while playing.
• •[ASTM Certified]: Made from heavy-duty carbon steel with dual-layer Nickle plating, the disentanglement puzzles are rust-free, durable, non-toxic, and have NO SHARP EDGES, no worry about getting hurt while playing. ASTM-certified metal puzzles are safe for kids playing.
• •[Perfect For Every Occasion]: This novelty brain teaser set is perfect for birthdays, Christmas, Halloween, Easter, as well as party favors. Great for boys, girls, men, and women aged from 8 to 105. Suitable for both little and big hands. It can be a single-player game or a group game.
• •[Tips]: Paper instructions are included, but to make it more challenging and fun, we suggest you try your best to solve this metal puzzle without instruction. If you need video solutions, you may contact us via Amazon Messages.