Brain Teaser Stainless Steel Metal Puzzle Set of 12 different brain-twisting and IQ-enhancing puzzles is made from solid stainless steel. Each set includes 12 different metal puzzle sets of medium difficulty. This is a great brain exercise to help you improve your focus & concentration and develop better analytical and logical skills. It also helps in boosting your self-confidence. Each puzzle stimulates your intelligence. The brain-twisting metal puzzles are suitable for all age groups including kids, youth, and adults.
