Buckybigs Neodymium Magnetic Building Spheres - Black (8 PCS)
Brand Buckybigs Model N/A Quantity 8 piece(s) per pack Color Black Material Neodymium magnet Specification Diameter: 25mm; Pull resistance and click clack noise as magnets snap together and pull apart. Perfect for Exercising finger arm and release stress. Packing List 8 x Neodymium magnet ball 1 x Box 1 x English user manual