??CHALLENGING & FUN? - It is a classic colour-matching puzzle in which the colour shift making it look like a mess, but once you solve it, it magically becomes perfect cube again. Improved anti-pop technology and structure for extremely fast and smooth cornering. With lots of practice you can solve it in under 5 seconds!Enjoy hours of fun with you family and friends. ??ULTIMATE GIFT? - No one falls out of love with the D ETERNAL 3x3 Pyramid cube. They are always awesome for both kids and adults. Compact design for carrying and playing it anywhere. Great as a Christmas / Birthday gift for friends, family members, beginners and pros.