55cube Speed Cube 3x3, Sticker Smooth Magic Puzzle, Enhanced Version 3x3 speed cube, new structural design, No jam, No fall apart, No pop off. 3x3 speed cube, we are manufacturer with an excellent reputation for quality. If at any time within 30 days of purchase you are not satisfied with the feeling or function of this speed cube, just send us an Email and we'll 100% refund you. Our speed cube 3x3 get faster & sharper than ever - superior corner cutting at 43 degrees and 3/4 a cubie reverse. Speed cube internal corners are slightly rounded, which makes it far easier & quicker to turn. The Next Generation of speed cube - It's totally different from original cube. Our 3x3 cube was new designed. With this new speed cube & the included solution guide, you can solve it twice as fast as you could with the original Speed Cube. The stickers won't fall off. More easy turning & smooth than original 3x3 Cube - super-fast without any extra tuning - exactly what you need to speed cube with the best of them. Improved anti-pop technology gives our 3x3 Cube rugged durability, no matter how fast you are going, it won't jam on you.