ShengShou 7x7 7.5cm Speed Cube White Twisty Magic Puzzle Dimension - 77 mm x 77mm x77mm BRAIN POWER- DEVELOP and train your problem solving skills with these 3D puzzles. Perfect for beginners and experienced cubers. ECO-FRIENDLY PRODUCT- Recyclable Material, Harmless to Human and Environment ENJOY EASY TURNING AND SMOOTH PLAY Smooth, Highly recommended cube GET FASTER AND SHARPER THAN EVER