Metal Mind Puzzle 8Pcs, Brain Teaser IQ/Sets

Each metal wire puzzle set includes 8 different styles, made with high-quality material that can resist bending and breaking. The puzzles are safe for both adults and children as they don't have sharp edges. These brain teasers are specially designed to test your brain and help with concentration and focus. They are inspired by traditional Chinese culture, and can improve both IQ and EQ. While suitable for kids and adults who like a challenge, children under six must be closely supervised due to the small parts.