The hardest cube challenge in your cube solving journey.

It provides you with a productive way to keep your mind busy as it can help you build concentration and ease anxiety.You can use it for left and right brain training.There are 6-colour surfaces, and each surface has a roulette wheel with numbers on it.To solve this cube, firstly you may need to match each roulette colour and sequence numbers and then each surface colour.This cube is perfect for adults and children as it will help you build your problem-solving skills.Dimensions:7.4*7.4*7.4*cm.