216 X 5mm Green Luminous Buckyballs Magnetic Balls Bucky Cube Puzzle Neocube Intelligence Development Toy

Description

1:Material density: 7.52:Remanence: 1.21 (T)3:Curie temperature: 310-370 (¡æ)4:Maximum energy product: 270-380 (KJ/m3)5:Coercivity: 915 (KA / m)6:Intrinsic Coercivity: 965 (KA / m)7:Operating temperature: 80 (¡æ)8:Material: NdFeB9:Package include: 1* 216x5mm Luminous Buckyballs, 1* Metal Box