1:) stress ball with magnet 2:) FOUR years development 3:) ROHS & EN71-3 green 4:) Cheap, creadible and long life Product: stress ball with magnet OUR neodymium stress ball with magnet with honest high quality and reasonable price: 1, Shape: magnet ball/neocube/buckyball 2, coating: Ni(lower price) or Gold, Silver, Blue, Red, Black Ni coating(higher price)3, Ball diameter=3mm,4.8mm,5mm or above 4 ...