The Product is made to a hgh quality and not easy to rust like some. You will get one metal puzzle,This helps to exercise brains, improve problem solving abilities, relieve pressure and more. Grasping the tips for easy unlock, the puzzle is interesting and challenge. It is designed to stimulate the potential of thinking, develop your intelligence and practice manipulative ability. A good choice to train your brain at any leisure time or send as a gift to your friends.