So, this is a whole rabbit hole that I’m unwilling to divulge how long I got stuck in (as a fellow nerd with not dissimilar niche hobbies). Basically, a magnetic speed cube incorporates magnets into the construction (usually on the corners and edges) to enable easier snapping into alignment upon rotations. Despite the dissenting cries of some traditionalist cubers, they’re generally seen as an overall advancement in speed cube technology.