MoYu AoChuang V6 5x5 Double-Track (Magnetic, UV, Ball-Core)Introducing the MoYu AoChuang V6 5x5 Magnetic (Double Track UV Coated). Now, the new naming convention of the MoYu cubes don't reveal too much so lets dive deep into the different versions. We know you don't want to spend all day reading so heres a quick table to reference when deciding which version you would like. Version Single Track Single Track UV Double Track UV Triple Track UV Edge Corner Magnets 96 96 96 96 Ballcore Magnets 16 16 Foot Magnets