neocube 1.Strong magnetic force 2.N35 Grade Neodymium Neocube 3.Neocube Tolerance:+/- 0.003mm neocube Model:HLNC-01Size: 5MMAvaiable color: Nickel, Black, Silver, Golden, Blue, RedOther Avaiable size: 3MM, 4MM, 4.8MM, 5MM, 6MM, 7MM, 8MMOther Avaiable grade: N35, N42, N45, N48. Composed of 216 individual high-energy rare-earth magnet Same size ball as Bucky balls, and Neo Cube Save money and get ...