No Matter You're 3 30 Or 90 Whenever You Pick Up A Magic Cube You're Going To A Magic World Cube World Magic Allows You To Finely Adjust The Tightness Of The Magic Cube You'll Be Able To Get The Speed And Smooth Cube Cube World Magic Cube Has Great Corner Cutting Tension Adjustable Rotate The Magic Cube With Your Friends And Enjoy The Happiness Activate Your Imagination And Creativity Improve Your Memory And Hand Flexibility Perfect For Testing Your Mental Skills And Challenging Your Patience Size 63 X 63 X 63mm(2.48 X 2.48x 2.48inch) Material Plastic