My favourite method was the official Rubik's Cube solution - there are clear and easy to follow diagrams for every step of the process - which makes it much easier for children to follow along with.

It may be surprising to learn that very little memorization is required to solve Rubik's Cube. In fact, it can be solved using only four types of move sequences: cycling 3 corner pieces (for permuting ...

Forty years after its birth, the Rubik’s Cube still beguiles ... has insinuated itself so deeply into our culture that it’s easy to forget the story of its improbable birth and near deaths.