Gans 3-57 Ganspuzzle III 57mm 3x3x3 Speed Cube Magic Cube The Gans III 57mm is the latest cube from Ganspuzzle. It features a larger size and more rounded center pieces compared to the Gans III V2. The stickers are also shaped to fit the pieces on the cube. Like all the Gans III cubes， the Gans III 57mm cube features an "octopus core，" which requires a special 5.5mm nut driver to fasten. We will include a free mini 5.5mm nut driver with each puzzle and an extra set of stickers. Features:.Promotes patience， tunes up your memory -- it's the holy grail of wisdom .Keeps your mind sharp and your eyes off your over-used smart phone when you are bored .Play anytime， anywhere .Well built best quality .The perfect gift ideaSpecifications:.Color: Available in Black， White， Primary Color .Brand Model: Gans3-57 .Cube Size: 57mm .Weight: 78g .Packing:Colorful Box Package Content:.1 x Gans 3-57 Speed Cube.1 x Gans' Original Tutorial.1 x Extra Set of Sticke.1 x Mini 5.5mm Nut Drive