The educational system may use a combination of formal, informal, and nonformal learning methods. The UN and EU recognize these different forms of learning (cf. links below). In some schools, students can get points that count in the formal-learning systems if they get work done in informal-learning circuits. They may be given time to assist international youth workshops and training courses, on the condition they prepare, contribute, share and can prove this offered valuable new insight, helped to acquire new skills, a place to get experience in organizing, etc.
To learn a skill, such as solving a quickly, several factors come into play at once:
Reading directions helps a player learn the patterns that solve the Rubik's Cube.
Practicing the moves repeatedly helps build and speed.
Thinking critically about moves helps find shortcuts, which speeds future attempts.
Observing the Rubik's Cube's six colors help anchor solutions in the mind.
Revisiting the cube occasionally helps retain the skill.
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