Stable and fast
The QiYi X-Man Design Spark 7x7 M is a magnetic 7x7 designed specifically for speedsolving. It features a smaller, lighter design with a medium to strong magnetic feel. These features make the Spark exceptionally stable, reliable, and easy to turn. At the time of release, this puzzle holds the 7x7 unofficial world record of 1:42.70 by Max Park.