The X-Man Spark V2 7x7 Ball Core is a groundbreaking speed cube, being the first mass-produced 7x7 puzzle to incorporate a magnetic ball core design. This innovative feature utilizes corner-to-core magnetization, enhancing stability and providing a more controllable turning experience. The cube's design includes a smaller, more compact size with wider outer layers, improving grip and maneuverability during solves. Additionally, it features an improved anti-pop mechanism, contributing to its overall durability and reliability.