An exciting science toy from Toy Science; Magna-Buzz includes 2 hematite magnets packaged on a blister card. When tossed in the air, these powerful hematite magnets create electrifying buzz sounds that are oddly satisfying. The Magna-Buzz is ideally suited for kids 8+ and makes a fun toy for the home or a great educational teaching aid for school. Each magnet measures 2.25 inches long and is a shiny silver color.