Syeer 7 Sets IQ Test Toys Mind Game Brain Teaser Metal Wire Puzzles Magic Trick Come with 7 sets different puzzle rings with different level of difficulty. Metal brain teaser condenses with traditional Chinese culture and they are quite interesting. Good for creative thinking and improve both your IQ & EQ. You soive the problem by yourself, then you will get achievement, but we still attach a diagram to satisfied with some people. You will not joy and stimulate within you read the secret. We hope you have ability to solve the secret.