We’ve rounded up a selection of the best speed cubes to challenge yourself ... Buy now £17.99, Amazon MoYu WeiLong WRM V9 Maglev UV Coated, Magnetic Speed Cube 3x3 MoYu’s late flagship ...

They are also sold online as toys for intellectual training. There is a cube-shaped version as well, called magnetic cubes. The agency and the pediatric society have received 10 reports of ...