This is a 2-piece magnetic set packed in a blister pack. It consists of a straight magnetic bar and a U-shape magnetic bar. Normally this is used in classroom to teach and demonstrate the magnetic properties of the magnet and its effects. Various uses of the magnetic properties can be shown and knowledge gain. A useful and fun set of magnets for playing with children and teaching them about science! Magnets are very strong and clearly labelled with north and south poles, perfect for educating children and encouraging curiosity about the world around us.