Suitable for beginner and professional player. Enjoy hours of fun with you family and friends | The 6 plastic color puzzle never requires stickers , crafted with original and abs material, non toxic, reliable, lightweight, comfortable in the hand | Excellent stability great corner cutting , tension adjustable. It doesn't corner twist as often nor does it lock up | Improved anti pop technology and structure for extremely fast and smooth cornering | Ultimate gift idea no one falls out of love with the 3x3 cubes. Perfect Christmas / birthday gift. This classic puzzle game will never go out of style