The new QiYi Valk 4 with Stronger Magnets is a premium new 4x4x4 magnetic speed cube.  Incorporating design elements of the famous Valk 3, this new 4x4 speed cube is smoother, steadier, softer - this cube was made for fast solving. This variant includes stronger magnets factory installed in the new slots (magnetic positioning system) - stronger magnets deliver more control and stability during solves and wider outer layers make it easier to solve the 3x3 stage.