10 20MM Magnetic Round Ball Hematite Singing Magnets Balls (Black)

Description

You get [10] 20mm Hematite Magnetic Singing Balls. Easy gift and a great stress reliever. Watch balls collide when thrown in the air and listen to their rattling sound. Wear balls around your wrist. You can do other cool tricks with these balls. Balls always seek out each other. Amazing magnetic strength Great for hand-eye coordination Not suitable for children under 36 months Diameter: 20mm