KMG 10x10x10 Speed Cube Puzzle 10x10 ,Black New!! 10x10x10 Speed Cube Puzzle ,Black New product on November, 2013. World's first mass produced of a square 10x10x10 cube Size:10.2*10.2*10.2cm Weight:740g Well lubricated and smooth turning with amazing structure. Solve it by making each sides mach.