Singing Magnets become more and more popular in the world for playing by adults and children. It is sold in pairs. People place one pair of magnetic olive on one hand and separate them with thumb, then upward throw them in the air. They will fly off your fingers. When they are sticked together(collided) by high power magnetic, will make buzzer(sounds like from locusts). Catch them before they hit the ground. Perfection takes time!