The YJ ZhiLong Mini 3x3 M is a new magnetic mini cube by YongJun Toys. Measuring 50mm across, the ZhiLong Mini 3x3 M boasts an incredibly compact feel and a speedy turn. Also included in this nice little puzzle is abundant corner cutting in both directions. The YJ ZhiLong Mini 3x3 M currently stands as the best 50mm cube on the market. Perfect for people with smaller hands or cubers who prefer smaller puzzles.