V-Cube 6 Multicolor V-CUBE 6 is the first 6 layered cube of the V-CUBE family with a difficulty rating of 3.5 out of 5 Patented award winning design makes for smooth solving A highly challenging cube perfect for puzzle enthusiasts Classic flat design, measures 2.72"x2.72"x2.72", weighs 230g Safe for ages 3 and up